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<p class="tableOfContents"><strong>Table of Contents: <a href="/pubs/techbull/so17/so17_issue_cover.html">2017 SEPTEMBER–OCTOBER No. 418</a></strong></p>
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<span class="previous"><a href="so17_issue_cover.html">Previous</a></span> <span class="next"><a href="so17_yep.html">Next</a></span>
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<h1 class="articleH1">NLM Classification 2017 Summer Edition Now Available</h1>
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<p class="tbyearmonth">Willis SR. NLM Classification 2017 Summer Edition Now Available. NLM Tech Bull. 2017 Sep-Oct;(418):e1.</p>
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<div class="articleactions">2017 September 01 <span class="status">[posted]</span>
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<p>
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Starting with 2017, the <a href="http://www.nlm.nih.gov/class/"><em>NLM Classification</em></a> moved from an annual spring update to twice-yearly updates. The 2017 winter version, published January 26, 2017, encompassed changes to the <em>NLM Classification</em> resulting from new and changed 2017 Medical Subject Headings (MeSH) terms as well as additional minor updates to the index and schedule. The 2017 summer version, now available, encompasses the systematic review of selected schedules and other miscellaneous updates.
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</p>
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<h2>Summary Statistics for the 2017 Summer Edition</h2>
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<p>Fifty-seven (57) new class numbers were added. Eleven (11) class numbers were canceled.
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<br /> <br />
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</p>
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<table style="margin-left: 0px;">
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<caption>
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<strong>Class Numbers Added —2017 Summer Edition</strong>
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</caption>
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<thead>
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<tr>
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<th id="a1"><strong>New Number</strong></th>
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<th id="a2"><strong>Class Name</strong></th>
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<th id="a3"><strong>Former Number(s)</strong></th>
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</tr>
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</thead>
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<tbody>
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<tr><td>QT 260.5.S5</td><td>Skating</td><td>QT 260</td> </tr>
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<tr><td>QU 55.97</td><td>Transcription factors</td><td>QU 55</td> </tr>
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<tr><td>QU 510</td><td>DNA damage. DNA repair</td><td>QU 475; QU 477</td> </tr>
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<tr><td>QU 515</td><td>DNA replication</td><td>QU 475</td> </tr>
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<tr><td>QU 520</td><td>Molecular evolution. Genetic selection</td><td>QU 475</td> </tr>
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<tr><td>QV 380</td><td>Radiation-sensitizing agents. Radiation-protective agents</td><td>WN 610; WN 650</td> </tr>
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<tr><td>QV 766.5</td><td>Specific medicinal plants, A-Z</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.A6</td><td>Aloe</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.A7</td><td>Apiaceae</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.A8</td><td>Asteraceae</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.B7</td><td>Brassicaceae</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.C2</td><td>Cannabaceae</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.F2</td><td>Fabaceae</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.G6</td><td>Ginkgo biloba</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.L2</td><td>Lamiales</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.L4</td><td>Liliaceae</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.P2</td><td>Panax</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.P6</td><td>Polygonaceae</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.R2</td><td>Ranunculaceae</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.R6</td><td>Rosales</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.R8</td><td>Rubiaceae</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.T5</td><td>Theales</td><td>QV 766</td> </tr>
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<tr><td>QV 766.5.Z5</td><td>Zingiberaceae</td><td>QV 766</td> </tr>
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<tr><td>WA 30.2</td><td>Climate change</td><td>WB 700, etc.</td> </tr>
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<tr><td>WD 760</td><td>Cosmic radiation</td><td>WN 415, etc.</td> </tr>
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<tr><td>WE 757</td><td>Abdomen</td><td>WI 900-970 </td> </tr>
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<tr><td>WI 190</td><td>Gastrointestinal tract</td><td>WI 100-113 </td> </tr>
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<tr><td>WI 195</td><td>Gastrointestinal diseases (General)</td><td>WI 140</td> </tr>
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<tr><td>WI 255</td><td>Esophageal diseases (General)</td><td>WI 250 </td> </tr>
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<tr><td>WI 258</td><td>Deglutition disorders</td><td>WI 250 </td> </tr>
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<tr><td>WI 260</td><td>Esophageal neoplasms</td><td>WI 250 </td> </tr>
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<tr><td>WI 306</td><td>Stomach diseases (General)</td><td>WI 300 </td> </tr>
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<tr><td>WI 418</td><td>Intestinal diseases (General)</td><td>WI 400</td> </tr>
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<tr><td>WI 422</td><td>Crohn disease</td><td>WI 512 </td> </tr>
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<tr><td>WI 518</td><td>Large intestine</td><td>WI 400</td> </tr>
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<tr><td>WI 521</td><td>Colonic diseases (General)</td><td>WI 520</td> </tr>
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<tr><td>WI 603</td><td>Rectal diseases (General)</td><td>WI 600 </td> </tr>
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<tr><td>WI 710</td><td>Liver diseases (General)</td><td>WI 700</td> </tr>
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<tr><td>WI 712</td><td>Hepatic insufficiency</td><td>WI 700</td> </tr>
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<tr><td>WI 753</td><td>Biliary tract diseases (General)</td><td>WI 750</td> </tr>
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<tr><td>WI 803</td><td>Pancreatic diseases (General)</td><td>WI 800</td> </tr>
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<tr><td>WI 980</td><td>Digestive system surgical procedures</td><td>WI 900 </td> </tr>
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<tr><td>WL 141.5.B6</td><td>Brain mapping</td><td>WL 335 </td> </tr>
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<tr><td>WM 168</td><td>Neurodevelopmental disorders (General or not elsewhere classified)</td><td>None</td> </tr>
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<tr><td>WM 169</td><td>Attention deficit and disruptive behavior disorders</td><td>WM 165</td> </tr>
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<tr><td>WM 171.7</td><td>Bipolar disorder</td><td>WM 207 </td> </tr>
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<tr><td>WM 190.5.P2</td><td>Paranoid personality disorder</td><td>WM 190</td> </tr>
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<tr><td>WM 190.5.P3</td><td>Passive-aggressive personality disorder</td><td>WM 190</td> </tr>
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<tr><td>WM 190.5.S3</td><td>Schizoid personality disorder</td><td>WM 190</td> </tr>
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<tr><td>WM 190.5.S4</td><td>Schizotypal personality disorder</td><td>WM 190</td> </tr>
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<tr><td>WM 190.5.S8</td><td>Stereotyped behavior</td><td>WM 190</td> </tr>
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<tr><td>WM 192</td><td>Disruptive, impulse control, and conduct disorders</td><td>WM 190.5.I6 </td> </tr>
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<tr><td>WM 273</td><td>Alcohol drinking</td><td>WM 274, etc.</td> </tr>
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<tr><td>WM 295</td><td>Smoking (General or not elsewhere classified)</td><td>WM 290, etc.</td> </tr>
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<tr><td>WN 182</td><td>Computer-assisted image interpretation</td><td>WB 141</td> </tr>
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<tr><td>WN 202</td><td>Interventional radiography</td><td>WN 200 </td> </tr>
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<tr><td>WN 250.5.H4</td><td>Heavy ion radiotherapy</td><td>WN 250</td> </tr>
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</tbody>
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</table>
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<p> </p>
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<table style="margin-left: 0px;">
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<caption>
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<strong>Class Numbers Canceled—2017 Summer Edition</strong>
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</caption>
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<thead>
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<tr>
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<th id="a4"><strong>Canceled Number</strong></th>
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<th id="a5"><strong>Class Name</strong></th>
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<th id="a6"><strong>Now Classed in</strong></th>
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</tr>
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</thead>
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<tbody>
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<tr><td>QU 4</td><td>General works [Biochemistry. Cell Biology and Genetics]</td><td>QU 34</td> </tr>
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<tr><td>WD 200.5.P7</td><td>Protein-losing enteropathies</td><td>WI 418 </td> </tr>
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<tr><td>WI 150</td><td>Functional disorders</td><td>WI 143</td> </tr>
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<tr><td>WI 704</td><td>Liver function in food metabolism</td><td>WI 702</td> </tr>
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<tr><td>WI 940</td><td>Umbilical region</td><td>WE 757</td> </tr>
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<tr><td>WM 190.5.I6</td><td>Impulse control disorders. Gambling. Fire setting behavior</td><td>WM 192</td> </tr>
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<tr><td>WN 300</td><td>General works [Radium]</td><td>WN 440, etc.</td> </tr>
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<tr><td>WN 340</td><td>Therapeutic use [Radium]</td><td>WN 440, etc.</td> </tr>
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<tr><td>WN 415</td><td>Biological aspects of nuclear medicine and atomic energy (General)</td><td>QC</td> </tr>
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<tr><td>WN 420</td><td>Radioisotopes. Radioactive elements</td><td>WN 440, etc.</td> </tr>
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<tr><td>WN 630</td><td>Injurious effects on plant life (related to human ecology)</td><td>QK 757</td> </tr>
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</tbody>
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</table>
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<p>Numerous class number captions or notes and schedule headers were modified.
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</p>
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<p>Seventy-five (75) index main headings were added; 99 index headings were deleted; and 526 index entries were modified.
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</p>
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<h2>Systematic Reviews for the 2017 Summer Edition</h2>
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<p>The major focus of the 2017 summer version was the systematic review of the following schedules: WI (Digestive System), WN (Radiology. Diagnostic Imaging), and a partial review of the WM schedule: WM 140-308 (Mental Disorders) due to major restructuring of Mental Disorders tree (F3) based on revisions to the <em>Diagnostic and Statistical Manual of Mental Disorders</em> (DSM).
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</p>
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<p><strong>Highlights from the WI (Digestive System) Review</strong>
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</p>
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<ul>
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<li>The gastrointestinal tract moved from the WI 100 area (digestive system) to the new number: WI 190
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</li>
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<li>Several new class numbers created for disease terms, e.g., <em>Esophageal Diseases</em>, formerly classed at WI 250 Esophagus, now classed in the new number WI 255 Esophageal diseases (General)</li>
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<li>The large intestine moved from WI 400 Intestines (General) to the new number: WI 518.</li>
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<li> For specificity and consistency, the specific region names added in front of existing generic disease and surgery class captions. For example, WI 320 changed from Neoplasms to Stomach neoplasms; WI 480 changed from Surgery (General) to Intestinal surgery.</li>
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<li>Distinction made between Abdomen (now classed in new number WE 757) and Abdominal Cavity (classed at WI 900)</li>
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<li>New number, WI 980, created for general works on surgery of the digestive system or gastrointestinal tract. </li>
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</ul>
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<p><strong>Highlights from the WM 140-308 (Mental Disorders) Review</strong><br />
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With 2016 MeSH, major changes were made to the Mental Disorders F3 tree based on revisions to the <em>Diagnostic and Statistical Manual of Mental Disorders</em> (DSM). The corresponding areas of the <em>NLM Classification</em> were updated.
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</p>
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<ul>
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<li>Behavioral symptoms for which there are no classification numbers for related disorders, now classed in WM 140 with general mental disorders rather than WM 165. WM 165 now limited to works on self-injurious and dangerous behaviors.
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</li>
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<li>New number, WM 168, created for Neurodevelopmental Disorders in adults. </li>
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<li>New number, WM 169, created for Attention Deficit and Disruptive Behavior Disorders in adults.</li>
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<li>Neurotic Disorders deleted as a header for WM 170-197. Class numbers WM 171 through WM 184 were outdented to the far left level equal to Neurotic Disorders.
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</li>
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<li>Several specific personality disorders added to the existing A-Z structure at WM 190.5.</li>
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<li>WM 190.5.I6 (Impulse control disorders. Gambling. Fire setting behavior) canceled and redirected to new number, WM 192.</li>
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<li>The header for WM 200-220 changed from Psychotic Disorders to Schizophrenia Spectrum and Other Psychotic Disorders. Class numbers WM 202 through WM 220 were outdented to the far left level equal to Psychotic Disorders.</li>
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<li> The WM 270-290 Substances-Related Disorders area broadened to include Behaviors:
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<ul>
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<li>New number, WM 273, created for Alcohol Drinking</li>
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<li> Marijuana use added to caption at WM 276 Marijuana abuse. Use of medical marijuana is classified in WB 925. Legalization of marijuana classed in QV 732-733.
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</li>
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<li>Tobacco use added to caption at WM 290 Tobacco use disorder. References to HV and QV under Tobacco Use deleted in the index.</li>
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<li>Smoking dependence redirected from WM 290 to new number, WM 295, created for Smoking in general. References to HV and QV under Smoking were deleted in the index. </li>
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</ul>
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</li>
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</ul>
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<p><strong>Highlights from the WN (Radiology. Diagnostic Imaging) Review</strong>
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</p>
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<ul>
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<li>WN 250 vs. QZ 269 Radiotherapy clarified:
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<ul>
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<li>WN 250- Includes works focusing on general aspects of radiotherapy. </li>
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<li>QZ 269 - Includes works focusing on treatment of neoplasms. </li>
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</ul>
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</li>
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<li>Changes to classification of radioactive elements:
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<ul>
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<li>Medical uses of radioactive elements classed in WN 440-450. </li>
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<li>Adverse effects of radioactive elements classed in WN 610-615. </li>
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<li>Works on general physics and chemistry of radioactive elements are classed in the Library of Congress' (LC’s) QC or QD schedule. </li>
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<li>Class numbers, WN 300 General works on Radium, WN 340, Therapeutic use of radium, and WN 415 Biological aspects of nuclear medicine and atomic energy, canceled. The corresponding headers were deleted. </li>
|
||
</ul>
|
||
</li>
|
||
<li>WN 600, Radiological health, is restricted to general effects of ionizing radiation on humans. Animals and plant life excluded.</li>
|
||
<li> Several changes made to WN 610-630 area:
|
||
<ul>
|
||
<li> WN 610, Radiation injuries, now limited to humans. Radiation effects on plants classed in LC’s QK schedule. Radiation injuries from radiography and radiotherapy procedures classified here rather than with the procedure.</li>
|
||
<li> WN 615, Radioactive pollution and pollutants (General), now includes general works on radioactive hazard releases. </li>
|
||
<li>WN 620, formerly Injurious effects on man and animals, now limited to Experimental radiation injuries, which per MeSH is for vertebrate animals only. </li>
|
||
<li>WN 630, Injurious effects on plant life (related to human ecology) canceled. Radiation effects on plants classed in LC’s QK schedule. </li>
|
||
</ul>
|
||
</li>
|
||
</ul>
|
||
|
||
|
||
<h2>Other 2017 Summer Edition Changes</h2>
|
||
|
||
<p>In addition to the systematic reviews of the WI, WM, and WN schedules, other additions and changes were made:
|
||
</p>
|
||
|
||
<p><strong>Table G Changes</strong><br />
|
||
The Table G notation for FA1 Great Britain updated to reflect the MeSH change from Great Britain to United Kingdom.
|
||
</p>
|
||
|
||
<p><strong>Form Number Policy Change</strong><br />
|
||
Use of the form numbers 5, 7, and 9 no longer restricted to works that cover the overall subject of the schedule.
|
||
</p>
|
||
|
||
<p><strong>Global Climate Change and Human Health</strong><br />
|
||
New number, WA 30.2, created for Climate Change. Climate Change, Global Warning, and Greenhouse Effects were redirected from WB 700 Medical geography to this new number. Table G added to WB 710 Diseases of geographic areas. WB 700 should be used for works with no geographic emphasis.
|
||
</p>
|
||
|
||
<p><strong>Classification of Medicinal Plants</strong><br />
|
||
Sixteen (16) new numbers for specific medicinal plants were added under the new A-Z structure under QV 766. Medicinal plants not fitting in any A-Z number will be classed in QV 766. Specific medicinal plants with geographic distribution are classed in QV 770. Non-medicinal aspects of plants are classed in the appropriate QK number.
|
||
</p>
|
||
|
||
<p><strong>Genetic Processes Changes</strong><br />
|
||
With 2017 MeSH, the term Genetic Processes was deleted. The <em>NLM Classification</em> was updated to reflect this change:
|
||
</p>
|
||
|
||
|
||
<ul>
|
||
<li>QU 475 Genetic processes was changed to Gene expression. Gene expression regulation
|
||
</li>
|
||
<li>QU 477 Pathologic genetic processes was changed to Genetic variation and outdented </li>
|
||
<li>New numbers were created for:
|
||
<ul>
|
||
<li>QU 55.97 -- Transcription factors </li>
|
||
<li>QU 510 -- DNA damage. DNA repair </li>
|
||
<li>QU 515 -- DNA replication</li>
|
||
<li> QU 520 -- Molecular evolution. Genetic selection </li>
|
||
</ul>
|
||
</li>
|
||
</ul>
|
||
|
||
<p>The <a href="https://www.nlm.nih.gov/class/terms_cond.html">PDF version</a> will be updated with 2017 winter and summer classification data by the fall of 2017.
|
||
</p>
|
||
|
||
|
||
<p>To learn more about the <em>NLM Classification</em> see the <a href="http://www.nlm.nih.gov/pubs/factsheets/nlmclassif.html">Fact Sheet</a>.
|
||
</p>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
</div>
|
||
<p class="articleParagraph">
|
||
|
||
|
||
|
||
By
|
||
|
||
|
||
Sharon R. Willis<br />
|
||
Cataloging and Metadata Management Section, Technical Services Division<br />
|
||
|
||
|
||
|
||
|
||
</p>
|
||
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<strong>Last updated:</strong> 01 September 2017</p>
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