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DSM-5-TR on the NCMHCE: What You Need to Know

Which DSM-5-TR updates show up on the NCMHCE, how diagnostic criteria are tested in case simulations, and where to focus your review.

6 min readUpdated June 1, 2026

The NCMHCE uses the DSM-5-TR (text revision, 2022), not the DSM-5. If you're studying from an older edition, several scoring-relevant criteria are different. Here's what changed and what shows up most often in cases.

What's new in DSM-5-TR that matters for the NCMHCE

  • Prolonged Grief Disorder — new diagnosis; criteria show up in trauma and bereavement cases.
  • Unspecified Mood Disorder — re-added; useful when presentation doesn't meet full criteria for MDD or bipolar.
  • Updated suicidal behavior and nonsuicidal self-injury (NSSI) coding.
  • ICD-10 code updates across multiple disorders.
  • Refined cultural and gender-related language throughout.

High-yield diagnoses to review

  1. Major Depressive Disorder and the bipolar spectrum
  2. PTSD, Acute Stress Disorder, Adjustment Disorders
  3. Generalized Anxiety, Panic Disorder, Social Anxiety
  4. Borderline, Antisocial, and Narcissistic Personality Disorders
  5. Substance Use Disorders (mild/moderate/severe specifiers)
  6. Prolonged Grief Disorder
  7. Autism Spectrum Disorder and ADHD (presentation specifiers)

How diagnoses are tested

The exam rarely asks you to recite criteria. Instead, cases present clinical material and ask you to (a) generate a differential, (b) gather assessment data to disconfirm alternatives, and (c) commit to a diagnosis with appropriate specifiers. Memorize criteria — but practice applying them to ambiguous presentations.

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