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<span>Genetic Conditions: N</span>
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<h1>Genetic Conditions: N</h1>
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<p>Explore the signs and symptoms, genetic cause, and inheritance pattern of various health conditions.</p>
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<span class='blue-label'>Other genetic conditions A-Z</span>
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<ul class="alpha-links">
<li><a href="https://medlineplus.gov/genetics/condition-0/" data-alpha="0-9">0-9</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/" data-alpha="A">A</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-b/" data-alpha="B">B</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-c/" data-alpha="C">C</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-d/" data-alpha="D">D</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-e/" data-alpha="E">E</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-f/" data-alpha="F">F</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-g/" data-alpha="G">G</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-h/" data-alpha="H">H</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-i/" data-alpha="I">I</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-j/" data-alpha="J">J</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-k/" data-alpha="K">K</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-l/" data-alpha="L">L</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-m/" data-alpha="M">M</a></li>
<li><span class="active">N</span></li>
<li><a href="https://medlineplus.gov/genetics/condition-o/" data-alpha="O">O</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-p/" data-alpha="P">P</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-q/" data-alpha="Q">Q</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-r/" data-alpha="R">R</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-s/" data-alpha="S">S</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-t/" data-alpha="T">T</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-u/" data-alpha="U">U</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-v/" data-alpha="V">V</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-w/" data-alpha="W">W</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-x/" data-alpha="X">X</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-y/" data-alpha="Y">Y</a></li>
<li><a href="https://medlineplus.gov/genetics/condition-z/" data-alpha="Z">Z</a></li>
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<section>
<ul class="withident breaklist">
<li><a href="https://medlineplus.gov/genetics/condition/n-acetylglutamate-synthase-deficiency/">N-acetylglutamate synthase deficiency</a></li>
<li>N-acetylglutamate synthetase deficiency, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/n-acetylglutamate-synthase-deficiency/">N-acetylglutamate synthase deficiency</a></li>
<li>NADH-coenzyme Q reductase deficiency, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/mitochondrial-complex-i-deficiency/">Mitochondrial complex I deficiency</a></li>
<li>NADH-CYB5R deficiency, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/autosomal-recessive-congenital-methemoglobinemia/">Autosomal recessive congenital methemoglobinemia</a></li>
<li>NADH-cytochrome b5 reductase deficiency, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/autosomal-recessive-congenital-methemoglobinemia/">Autosomal recessive congenital methemoglobinemia</a></li>
<li>NADH:Q(1) oxidoreductase deficiency, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/mitochondrial-complex-i-deficiency/">Mitochondrial complex I deficiency</a></li>
<li>Naegeli syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/naegeli-franceschetti-jadassohn-syndrome-dermatopathia-pigmentosa-reticularis/">Naegeli-Franceschetti-Jadassohn syndrome/dermatopathia pigmentosa reticularis</a></li>
<li>Naegeli-Franceschetti-Jadassohn syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/naegeli-franceschetti-jadassohn-syndrome-dermatopathia-pigmentosa-reticularis/">Naegeli-Franceschetti-Jadassohn syndrome/dermatopathia pigmentosa reticularis</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/naegeli-franceschetti-jadassohn-syndrome-dermatopathia-pigmentosa-reticularis/">Naegeli-Franceschetti-Jadassohn syndrome/dermatopathia pigmentosa reticularis</a></li>
<li>NAFD, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nager-syndrome/">Nager syndrome</a></li>
<li>NAFLD, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/non-alcoholic-fatty-liver-disease/">Non-alcoholic fatty liver disease</a></li>
<li>NAGA deficiency, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/schindler-disease/">Schindler disease</a></li>
<li>Nager acrofacial dysostosis, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nager-syndrome/">Nager syndrome</a></li>
<li>Nager acrofacial dysostosis syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nager-syndrome/">Nager syndrome</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/nager-syndrome/">Nager syndrome</a></li>
<li>NAGS deficiency, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/n-acetylglutamate-synthase-deficiency/">N-acetylglutamate synthase deficiency</a></li>
<li>NAIC, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/north-american-indian-childhood-cirrhosis/">North American Indian childhood cirrhosis</a></li>
<li>NAID, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/yao-syndrome/">Yao syndrome</a></li>
<li>Nail disorder, nonsyndromic congenital, 10, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nonsyndromic-congenital-nail-disorder-10/">Nonsyndromic congenital nail disorder 10</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/nail-patella-syndrome/">Nail-patella syndrome</a></li>
<li>Naito-Oyanagi disease, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/dentatorubral-pallidoluysian-atrophy/">Dentatorubral-pallidoluysian atrophy</a></li>
<li>Nakajo syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nakajo-nishimura-syndrome/">Nakajo-Nishimura syndrome</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/nakajo-nishimura-syndrome/">Nakajo-Nishimura syndrome</a></li>
<li>NAM, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/stac3-disorder/">STAC3 disorder</a></li>
<li>NAME - Nevi, atrial myxoma, skin myxoma, ephelides syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/carney-complex/">Carney complex</a></li>
<li>Nance-Insley syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/otospondylomegaepiphyseal-dysplasia/">Otospondylomegaepiphyseal dysplasia</a></li>
<li>Nance-Sweeney chondrodysplasia, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/otospondylomegaepiphyseal-dysplasia/">Otospondylomegaepiphyseal dysplasia</a></li>
<li>NAO syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/multicentric-osteolysis-nodulosis-and-arthropathy/">Multicentric osteolysis, nodulosis, and arthropathy</a></li>
<li>NAPB, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/hereditary-neuralgic-amyotrophy/">Hereditary neuralgic amyotrophy</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/narcolepsy/">Narcolepsy</a></li>
<li>Narcoleptic syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/narcolepsy/">Narcolepsy</a></li>
<li>NARP, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neuropathy-ataxia-and-retinitis-pigmentosa/">Neuropathy, ataxia, and retinitis pigmentosa</a></li>
<li>NARP syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neuropathy-ataxia-and-retinitis-pigmentosa/">Neuropathy, ataxia, and retinitis pigmentosa</a></li>
<li>NASH, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/non-alcoholic-fatty-liver-disease/">Non-alcoholic fatty liver disease</a></li>
<li>Nasu-Hakola disease, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/polycystic-lipomembranous-osteodysplasia-with-sclerosing-leukoencephalopathy/">Polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy</a></li>
<li>Native American myopathy, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/stac3-disorder/">STAC3 disorder</a></li>
<li>Navajo familial neurogenic arthropathy, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/mpv17-related-hepatocerebral-mitochondrial-dna-depletion-syndrome/">MPV17-related hepatocerebral mitochondrial DNA depletion syndrome</a></li>
<li>Navajo neurohepatopathy, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/mpv17-related-hepatocerebral-mitochondrial-dna-depletion-syndrome/">MPV17-related hepatocerebral mitochondrial DNA depletion syndrome</a></li>
<li>Navajo neuropathy, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/mpv17-related-hepatocerebral-mitochondrial-dna-depletion-syndrome/">MPV17-related hepatocerebral mitochondrial DNA depletion syndrome</a></li>
<li>NB, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neuroblastoma/">Neuroblastoma</a></li>
<li>NBCCS, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/gorlin-syndrome/">Gorlin syndrome</a></li>
<li>NBCIE, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nonbullous-congenital-ichthyosiform-erythroderma/">Nonbullous congenital ichthyosiform erythroderma</a></li>
<li>NBIA, PLA2G6-related, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/infantile-neuroaxonal-dystrophy/">Infantile neuroaxonal dystrophy</a></li>
<li>NBIA1, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/pantothenate-kinase-associated-neurodegeneration/">Pantothenate kinase-associated neurodegeneration</a></li>
<li>NBIA3, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neuroferritinopathy/">Neuroferritinopathy</a></li>
<li>NBIA4, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/mitochondrial-membrane-protein-associated-neurodegeneration/">Mitochondrial membrane protein-associated neurodegeneration</a></li>
<li>NBIA5, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/beta-propeller-protein-associated-neurodegeneration/">Beta-propeller protein-associated neurodegeneration</a></li>
<li>NBIE, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nonbullous-congenital-ichthyosiform-erythroderma/">Nonbullous congenital ichthyosiform erythroderma</a></li>
<li>NBS, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nicolaides-baraitser-syndrome/">Nicolaides-Baraitser syndrome</a></li>
<li>NCBRS, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nicolaides-baraitser-syndrome/">Nicolaides-Baraitser syndrome</a></li>
<li>NCIE, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nonbullous-congenital-ichthyosiform-erythroderma/">Nonbullous congenital ichthyosiform erythroderma</a></li>
<li>NDI, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/arginine-vasopressin-resistance/">Arginine vasopressin resistance</a></li>
<li>NDNC10, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nonsyndromic-congenital-nail-disorder-10/">Nonsyndromic congenital nail disorder 10</a></li>
<li>Near-sightedness, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nearsightedness/">Nearsightedness</a></li>
<li>Nearsighted, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nearsightedness/">Nearsightedness</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/nearsightedness/">Nearsightedness</a></li>
<li>NEDAUS, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cul3-related-neurodevelopmental-disorder/">CUL3-related neurodevelopmental disorder</a></li>
<li>NEDBEH, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neurodevelopmental-disorder-with-or-without-anomalies-of-the-brain-eye-or-heart/">Neurodevelopmental disorder with or without anomalies of the brain, eye, or heart</a></li>
<li>Nemaline body disease, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nemaline-myopathy/">Nemaline myopathy</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/nemaline-myopathy/">Nemaline myopathy</a></li>
<li>Nemaline myopathy 3, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/actin-accumulation-myopathy/">Actin-accumulation myopathy</a></li>
<li>Nemaline myopathy with exclusively intranuclear rods, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/intranuclear-rod-myopathy/">Intranuclear rod myopathy</a></li>
<li>Nemaline rod disease, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nemaline-myopathy/">Nemaline myopathy</a></li>
<li>Nemoto disease, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cerebral-autosomal-recessive-arteriopathy-with-subcortical-infarcts-and-leukoencephalopathy/">Cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy</a></li>
<li>Neonatal hyperinsulinism, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/congenital-hyperinsulinism/">Congenital hyperinsulinism</a></li>
<li>Neonatal osseous dysplasia 1, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/atelosteogenesis-type-2/">Atelosteogenesis type 2</a></li>
<li>Neonatal progeroid syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/wiedemann-rautenstrauch-syndrome/">Wiedemann-Rautenstrauch syndrome</a></li>
<li>Neonatal pseudo-hydrocephalic progeroid syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/wiedemann-rautenstrauch-syndrome/">Wiedemann-Rautenstrauch syndrome</a></li>
<li>Neonatal pseudohydrocephalic progeroid syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/wiedemann-rautenstrauch-syndrome/">Wiedemann-Rautenstrauch syndrome</a></li>
<li>Neonatal Schwartz-Jampel syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/stuve-wiedemann-syndrome/">Stüve-Wiedemann syndrome</a></li>
<li>Neoplasm of the bladder, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/bladder-cancer/">Bladder cancer</a></li>
<li>Neoplasm of the urinary bladder, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/bladder-cancer/">Bladder cancer</a></li>
<li>Nephroblastoma, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/wilms-tumor/">Wilms tumor</a></li>
<li>Nephrogenic diabetes insipidus, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/arginine-vasopressin-resistance/">Arginine vasopressin resistance</a></li>
<li>Nephrolith, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/kidney-stones/">Kidney stones</a></li>
<li>Nephrolithiasis, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/kidney-stones/">Kidney stones</a></li>
<li>Nephroma, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/wilms-tumor/">Wilms tumor</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/nephronophthisis/">Nephronophthisis</a></li>
<li>Nephropathy, Wilms tumor, and genital anomalies, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/denys-drash-syndrome/">Denys-Drash syndrome</a></li>
<li>NETH, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/netherton-syndrome/">Netherton syndrome</a></li>
<li>Netherton disease, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/netherton-syndrome/">Netherton syndrome</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/netherton-syndrome/">Netherton syndrome</a></li>
<li>Neuralgic amyotrophy, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/hereditary-neuralgic-amyotrophy/">Hereditary neuralgic amyotrophy</a></li>
<li>Neuraminidase deficiency with beta-galactosidase deficiency, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/galactosialidosis/">Galactosialidosis</a></li>
<li>Neurilemmomatosis, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/schwannomatosis/">Schwannomatosis</a></li>
<li>Neurilemmomatosis, congenital cutaneous, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/schwannomatosis/">Schwannomatosis</a></li>
<li>Neurinomatosis, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/schwannomatosis/">Schwannomatosis</a></li>
<li>Neuritis with brachial predilection, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/hereditary-neuralgic-amyotrophy/">Hereditary neuralgic amyotrophy</a></li>
<li>Neuroacanthocytosis, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/chorea-acanthocytosis/">Chorea-acanthocytosis</a></li>
<li>Neuroaxonal dystrophy, Schindler type, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/schindler-disease/">Schindler disease</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/neuroblastoma/">Neuroblastoma</a></li>
<li>Neurodegeneration due to cerebral folate transport deficiency, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cerebral-folate-transport-deficiency/">Cerebral folate transport deficiency</a></li>
<li>Neurodegeneration with brain iron accumulation 3, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neuroferritinopathy/">Neuroferritinopathy</a></li>
<li>Neurodegeneration with brain iron accumulation 4, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/mitochondrial-membrane-protein-associated-neurodegeneration/">Mitochondrial membrane protein-associated neurodegeneration</a></li>
<li>Neurodegeneration with brain iron accumulation 5, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/beta-propeller-protein-associated-neurodegeneration/">Beta-propeller protein-associated neurodegeneration</a></li>
<li>Neurodegeneration with brain iron accumulation type 1, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/pantothenate-kinase-associated-neurodegeneration/">Pantothenate kinase-associated neurodegeneration</a></li>
<li>Neurodegeneration with brain iron accumulation, PLA2G6-related, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/infantile-neuroaxonal-dystrophy/">Infantile neuroaxonal dystrophy</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/neurodevelopmental-disorder-with-or-without-anomalies-of-the-brain-eye-or-heart/">Neurodevelopmental disorder with or without anomalies of the brain, eye, or heart</a></li>
<li>Neurodevelopmental disorder with or without autism or seizures, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cul3-related-neurodevelopmental-disorder/">CUL3-related neurodevelopmental disorder</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/neuroferritinopathy/">Neuroferritinopathy</a></li>
<li>Neurofibromatosis 1, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neurofibromatosis-type-1/">Neurofibromatosis type 1</a></li>
<li>Neurofibromatosis 2, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neurofibromatosis-type-2/">Neurofibromatosis type 2</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/neurofibromatosis-type-1/">Neurofibromatosis type 1</a></li>
<li>Neurofibromatosis type 1-like syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/legius-syndrome/">Legius syndrome</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/neurofibromatosis-type-2/">Neurofibromatosis type 2</a></li>
<li>Neurofibromatosis type 2 merlin, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neurofibromatosis-type-2/">Neurofibromatosis type 2</a></li>
<li>Neurofibromatosis type 3, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/schwannomatosis/">Schwannomatosis</a></li>
<li>Neurofibromatosis type II, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neurofibromatosis-type-2/">Neurofibromatosis type 2</a></li>
<li>Neurogenic muscle weakness, ataxia, and retinitis pigmentosa, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neuropathy-ataxia-and-retinitis-pigmentosa/">Neuropathy, ataxia, and retinitis pigmentosa</a></li>
<li>Neurohypophyseal diabetes insipidus, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/arginine-vasopressin-deficiency/">Arginine vasopressin deficiency</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/neuromyelitis-optica/">Neuromyelitis optica</a></li>
<li>Neuronal axonal dystrophy, Schindler type, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/schindler-disease/">Schindler disease</a></li>
<li>Neuronal ceroid lipofuscinosis 1, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cln1-disease/">CLN1 disease</a></li>
<li>Neuronal ceroid lipofuscinosis 10, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cln10-disease/">CLN10 disease</a></li>
<li>Neuronal ceroid lipofuscinosis 5, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cln5-disease/">CLN5 disease</a></li>
<li>Neuronal ceroid lipofuscinosis 6, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cln6-disease/">CLN6 disease</a></li>
<li>Neuronal ceroid lipofuscinosis 8, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cln8-disease/">CLN8 disease</a></li>
<li>Neuronal ceroid lipofuscinosis due to cathepsin D deficiency, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cln10-disease/">CLN10 disease</a></li>
<li>Neuronal ceroid lipofuscinosis, infantile, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cln1-disease/">CLN1 disease</a></li>
<li>Neuronal ceroid lipofuscinosis, late-infantile, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cln5-disease/">CLN5 disease</a></li>
<li>Neuronal ceroid lipofuscinosis, late-infantile, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cln2-disease/">CLN2 disease</a></li>
<li>Neuronal cholesterol lipidosis, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/niemann-pick-disease/">Niemann-Pick disease</a></li>
<li>Neuronal lipidosis, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/niemann-pick-disease/">Niemann-Pick disease</a></li>
<li>Neuropathy, ataxia, and retinitis pigmentos, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neuropathy-ataxia-and-retinitis-pigmentosa/">Neuropathy, ataxia, and retinitis pigmentosa</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/neuropathy-ataxia-and-retinitis-pigmentosa/">Neuropathy, ataxia, and retinitis pigmentosa</a></li>
<li>Neuroretinoangiomatosis, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/sturge-weber-syndrome/">Sturge-Weber syndrome</a></li>
<li>Neutral 17-beta-hydroxysteroid oxidoreductase deficiency, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/17-beta-hydroxysteroid-dehydrogenase-3-deficiency/">17-beta hydroxysteroid dehydrogenase 3 deficiency</a></li>
<li>Neutral amino acid transport defect, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/hartnup-disease/">Hartnup disease</a></li>
<li>Neutral lipid storage disease with ichthyosis, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/chanarin-dorfman-syndrome/">Chanarin-Dorfman syndrome</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/neutral-lipid-storage-disease-with-myopathy/">Neutral lipid storage disease with myopathy</a></li>
<li>Neutral lipid storage disease without ichthyosis, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neutral-lipid-storage-disease-with-myopathy/">Neutral lipid storage disease with myopathy</a></li>
<li>Nevoid basal cell carcinoma syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/gorlin-syndrome/">Gorlin syndrome</a></li>
<li>Nevus of Cannon, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/white-sponge-nevus/">White sponge nevus</a></li>
<li>NF1, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neurofibromatosis-type-1/">Neurofibromatosis type 1</a></li>
<li>NF2, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neurofibromatosis-type-2/">Neurofibromatosis type 2</a></li>
<li>NFJ syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/naegeli-franceschetti-jadassohn-syndrome-dermatopathia-pigmentosa-reticularis/">Naegeli-Franceschetti-Jadassohn syndrome/dermatopathia pigmentosa reticularis</a></li>
<li>NFJS, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/naegeli-franceschetti-jadassohn-syndrome-dermatopathia-pigmentosa-reticularis/">Naegeli-Franceschetti-Jadassohn syndrome/dermatopathia pigmentosa reticularis</a></li>
<li>NFJS/DPR, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/naegeli-franceschetti-jadassohn-syndrome-dermatopathia-pigmentosa-reticularis/">Naegeli-Franceschetti-Jadassohn syndrome/dermatopathia pigmentosa reticularis</a></li>
<li>NFLS, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/legius-syndrome/">Legius syndrome</a></li>
<li>NGLY1-CDDG, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/ngly1-congenital-disorder-of-deglycosylation/">NGLY1-congenital disorder of deglycosylation</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/ngly1-congenital-disorder-of-deglycosylation/">NGLY1-congenital disorder of deglycosylation</a></li>
<li>NHD, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/polycystic-lipomembranous-osteodysplasia-with-sclerosing-leukoencephalopathy/">Polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/nicolaides-baraitser-syndrome/">Nicolaides-Baraitser syndrome</a></li>
<li>NIDDM, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/type-2-diabetes/">Type 2 diabetes</a></li>
<li>NIDDM with deafness, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/maternally-inherited-diabetes-and-deafness/">Maternally inherited diabetes and deafness</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/niemann-pick-disease/">Niemann-Pick disease</a></li>
<li>Night blindness, congenital stationary, autosomal dominant, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/autosomal-dominant-congenital-stationary-night-blindness/">Autosomal dominant congenital stationary night blindness</a></li>
<li>Niikawa-Kuroki syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/kabuki-syndrome/">Kabuki syndrome</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/nijmegen-breakage-syndrome/">Nijmegen breakage syndrome</a></li>
<li>NK-AML, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cytogenetically-normal-acute-myeloid-leukemia/">Cytogenetically normal acute myeloid leukemia</a></li>
<li>NKH, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nonketotic-hyperglycinemia/">Nonketotic hyperglycinemia</a></li>
<li>NKJO, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nakajo-nishimura-syndrome/">Nakajo-Nishimura syndrome</a></li>
<li>NLRP3-associated autoinflammatory disease, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cryopyrin-associated-periodic-syndromes/">Cryopyrin-associated periodic syndromes </a></li>
<li>NLSDI, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/chanarin-dorfman-syndrome/">Chanarin-Dorfman syndrome</a></li>
<li>NLSDM, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/neutral-lipid-storage-disease-with-myopathy/">Neutral lipid storage disease with myopathy</a></li>
<li>NMAN, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/autosomal-recessive-axonal-neuropathy-with-neuromyotonia/">Autosomal recessive axonal neuropathy with neuromyotonia</a></li>
<li>NNH, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/mpv17-related-hepatocerebral-mitochondrial-dna-depletion-syndrome/">MPV17-related hepatocerebral mitochondrial DNA depletion syndrome</a></li>
<li>Noack syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/pfeiffer-syndrome/">Pfeiffer syndrome</a></li>
<li>NOD, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/dentatorubral-pallidoluysian-atrophy/">Dentatorubral-pallidoluysian atrophy</a></li>
<li>NOD2-associated AID, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/yao-syndrome/">Yao syndrome</a></li>
<li>NOD2-associated autoinflammatory disease, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/yao-syndrome/">Yao syndrome</a></li>
<li>Nodulosis-arthropathy-osteolysis syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/multicentric-osteolysis-nodulosis-and-arthropathy/">Multicentric osteolysis, nodulosis, and arthropathy</a></li>
<li>NOG-related-symphalangism spectrum disorder, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/tarsal-carpal-coalition-syndrome/">Tarsal-carpal coalition syndrome</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/non-alcoholic-fatty-liver-disease/">Non-alcoholic fatty liver disease</a></li>
<li>Non-alcoholic steatohepatitis, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/non-alcoholic-fatty-liver-disease/">Non-alcoholic fatty liver disease</a></li>
<li>Non-compaction of the left ventricular myocardium, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/left-ventricular-noncompaction/">Left ventricular noncompaction</a></li>
<li>Non-distal tetrasomy 15q, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/15q11-q13-duplication-syndrome/">15q11-q13 duplication syndrome</a></li>
<li>Non-familial hemiplegic migraine, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/sporadic-hemiplegic-migraine/">Sporadic hemiplegic migraine</a></li>
<li>Non-ketotic hyperglycinemia, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nonketotic-hyperglycinemia/">Nonketotic hyperglycinemia</a></li>
<li>Non-phenylketonuric hyperphenylalaninemia, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/tetrahydrobiopterin-deficiency/">Tetrahydrobiopterin deficiency</a></li>
<li>Non-Shiga-like toxin-associated HUS, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/atypical-hemolytic-uremic-syndrome/">Atypical hemolytic-uremic syndrome</a></li>
<li>Non-skeletal hyper-IgE syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/dock8-immunodeficiency-syndrome/">DOCK8 immunodeficiency syndrome</a></li>
<li>Non-Stx-HUS, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/atypical-hemolytic-uremic-syndrome/">Atypical hemolytic-uremic syndrome</a></li>
<li>Non-syndromic, non-chromosomal holoprosencephaly, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nonsyndromic-holoprosencephaly/">Nonsyndromic holoprosencephaly</a></li>
<li>Non-syndromic, non-chromosomal HPE, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nonsyndromic-holoprosencephaly/">Nonsyndromic holoprosencephaly</a></li>
<li>Nonaka distal myopathy , <i>see</i> <a href="https://medlineplus.gov/genetics/condition/gne-myopathy/">GNE myopathy</a></li>
<li>Nonaka myopathy, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/gne-myopathy/">GNE myopathy</a></li>
<li>Nonalcoholic fatty liver disease, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/non-alcoholic-fatty-liver-disease/">Non-alcoholic fatty liver disease</a></li>
<li>Nonalcoholic steatohepatitis, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/non-alcoholic-fatty-liver-disease/">Non-alcoholic fatty liver disease</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/nonbullous-congenital-ichthyosiform-erythroderma/">Nonbullous congenital ichthyosiform erythroderma</a></li>
<li>Nonbullous ichthyosiform erythroderma, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nonbullous-congenital-ichthyosiform-erythroderma/">Nonbullous congenital ichthyosiform erythroderma</a></li>
<li>Noncompaction cardiomyopathy, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/left-ventricular-noncompaction/">Left ventricular noncompaction</a></li>
<li>Nonenteropathic HUS, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/atypical-hemolytic-uremic-syndrome/">Atypical hemolytic-uremic syndrome</a></li>
<li>Noninsulin-dependent diabetes mellitus, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/type-2-diabetes/">Type 2 diabetes</a></li>
<li>Noninsulin-dependent diabetes mellitus with deafness, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/maternally-inherited-diabetes-and-deafness/">Maternally inherited diabetes and deafness</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/nonketotic-hyperglycinemia/">Nonketotic hyperglycinemia</a></li>
<li>Nonkinesigenic choreoathetosis, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/familial-paroxysmal-nonkinesigenic-dyskinesia/">Familial paroxysmal nonkinesigenic dyskinesia</a></li>
<li>Nonne-Milroy lymphedema, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/milroy-disease/">Milroy disease</a></li>
<li>Nonspherocytic hemolytic anemia due to glucose phosphate isomerase deficiency, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/glucose-phosphate-isomerase-deficiency/">Glucose phosphate isomerase deficiency</a></li>
<li>nonsyndromic 46,XX testicular disorder/difference of sex development, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/46xx-testicular-difference-of-sex-development/">46,XX testicular difference of sex development</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/nonsyndromic-aplasia-cutis-congenita/">Nonsyndromic aplasia cutis congenita</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/nonsyndromic-congenital-nail-disorder-10/">Nonsyndromic congenital nail disorder 10</a></li>
<li>Nonsyndromic deafness, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nonsyndromic-hearing-loss/">Nonsyndromic hearing loss</a></li>
<li>Nonsyndromic hearing impairment, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nonsyndromic-hearing-loss/">Nonsyndromic hearing loss</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/nonsyndromic-hearing-loss/">Nonsyndromic hearing loss</a></li>
<li>Nonsyndromic hearing loss and deafness, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nonsyndromic-hearing-loss/">Nonsyndromic hearing loss</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/nonsyndromic-holoprosencephaly/">Nonsyndromic holoprosencephaly</a></li>
<li>Nonsyndromic HPE, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nonsyndromic-holoprosencephaly/">Nonsyndromic holoprosencephaly</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/nonsyndromic-paraganglioma/">Nonsyndromic paraganglioma</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/noonan-syndrome/">Noonan syndrome</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/noonan-syndrome-with-multiple-lentigines/">Noonan syndrome with multiple lentigines</a></li>
<li>Noonan&#x27;s syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/noonan-syndrome/">Noonan syndrome</a></li>
<li>Noonan-Ehmke syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/noonan-syndrome/">Noonan syndrome</a></li>
<li>Norio syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cohen-syndrome/">Cohen syndrome</a></li>
<li>Normal karyotype acute myeloid leukemia, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/cytogenetically-normal-acute-myeloid-leukemia/">Cytogenetically normal acute myeloid leukemia</a></li>
<li>Norman-Roberts syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/lissencephaly-with-cerebellar-hypoplasia/">Lissencephaly with cerebellar hypoplasia</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/norrie-disease/">Norrie disease</a></li>
<li>Norrie syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/norrie-disease/">Norrie disease</a></li>
<li>Norrie&#x27;s disease, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/norrie-disease/">Norrie disease</a></li>
<li>Norrie-Warburg syndrome, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/norrie-disease/">Norrie disease</a></li>
<li><a href="https://medlineplus.gov/genetics/condition/north-american-indian-childhood-cirrhosis/">North American Indian childhood cirrhosis</a></li>
<li>Norum disease, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/complete-lcat-deficiency/">Complete LCAT deficiency</a></li>
<li>Norum&#x27;s disease, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/complete-lcat-deficiency/">Complete LCAT deficiency</a></li>
<li>Notochordal sarcoma, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/chordoma/">Chordoma</a></li>
<li>Notochordoma, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/chordoma/">Chordoma</a></li>
<li>NPD, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/niemann-pick-disease/">Niemann-Pick disease</a></li>
<li>NPH, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nephronophthisis/">Nephronophthisis</a></li>
<li>NPHP, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/nephronophthisis/">Nephronophthisis</a></li>
<li>NS, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/noonan-syndrome/">Noonan syndrome</a></li>
<li>NS, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/netherton-syndrome/">Netherton syndrome</a></li>
<li>NSML, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/noonan-syndrome-with-multiple-lentigines/">Noonan syndrome with multiple lentigines</a></li>
<li>Nucleoside phosphorylase deficiency, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/purine-nucleoside-phosphorylase-deficiency/">Purine nucleoside phosphorylase deficiency</a></li>
<li>NYS1, <i>see</i> <a href="https://medlineplus.gov/genetics/condition/x-linked-infantile-nystagmus/">X-linked infantile nystagmus</a></li>
</ul>
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