F34.0 Cyclothymic disorder

Billable ICD-10-CM code, FY2026.

Applicable to

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

Risk adjustment (HCC)

• RxHCC V08: HCC 132 — Depression

MS-DRG index

Defines the logic of DRG(s) 883 in MDC 19.

Approximate ICD-9-CM (GEMs)

• 301.10 Affective personality disorder, unspecified (approximate)
• 301.13 Cyclothymic disorder (approximate)

Code annotations containing back-references to F34.0

Back-references to F34.0

• Type 2 Excludes: F31 Bipolar disorder ("cyclothymia (F34.0)")

Back-references to F34

• Type 2 Excludes: F06.3 Mood disorder due to known physiological condition ("mood disorders, not due to known physiological condition or unspecified (F30-F39)")
• Type 2 Excludes: F90 Attention-deficit hyperactivity disorders ("mood [affective] disorders (F30-F39)")
• Type 2 Excludes: F91 Conduct disorders ("mood [affective] disorders (F30-F39)")
• Type 2 Excludes: F93.0 Separation anxiety disorder of childhood ("mood [affective] disorders (F30-F39)")

Diagnosis Index entries for F34.0

• Cycloid personality
• Cyclothymia
• Cyclothymic personality
• Disorder (of) › cyclothymic
• Disorder (of) › mood › persistent › cyclothymia
• Disorder (of) › personality › affective
• Disorder (of) › personality › cyclothymic
• Disorder (of) › personality › hyperthymic
• Personality (disorder) › affective
• Personality (disorder) › cycloid
• Personality (disorder) › cyclothymic
• Personality (disorder) › hyperthymic

Nearby codes

• F34 Persistent mood [affective] disorders
• F34.0 Cyclothymic disorder (this code)
• F34.1 Dysthymic disorder
• F34.8 Other persistent mood [affective] disorders
• F34.81 Disruptive mood dysregulation disorder
• F34.89 Other specified persistent mood disorders
• F34.9 Persistent mood [affective] disorder, unspecified