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F34.0

F34.0: Cyclothymic disorder

Billable / specific codeICD-10-CM

F34.0 is a billable, specific ICD-10-CM code for cyclothymic disorder. It is valid for submission on a claim.

Check F34.0 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Affective personality disorder
  • Cycloid personality
  • Cyclothymia
  • Cyclothymic personality

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

F34.0 is named in 9 Medicare coverage policies: 8 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
  • A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing
  • A56937Billing and Coding: Psychiatry and Psychology Services
  • A57065Billing and Coding: Outpatient Psychiatry and Psychology Services

Alphabetic index entries that lead here

  • Cycloid personality
  • Cyclothymia
  • Cyclothymic personality
  • Disorder›cyclothymic
  • Personality›affective
  • Personality›cycloid
  • Personality›cyclothymic
  • Personality›hyperthymic
  • Disorder›personality›affective
  • Disorder›personality›cyclothymic
  • Disorder›personality›hyperthymic
  • Disorder›mood›persistent›cyclothymia

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under F34

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.