F34.0

✓ Billable

Cyclothymic disorder

Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

Also Known As

Affective personality disorderCycloid personalityCyclothymiaCyclothymic personality

✅ No additional coding notes for F34.0

🧪 Validate Combinations

Add F34.0 to the Excludes Checker to validate against your full code list.

Code Information

CodeF34.0

BillableYes

ParentF34

CategoryMental, Behavioral and Neurodevelopmental disorders (F01-F99)

Excludes10 rule(s)

Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)