ICD-10-CM code F34 describes persistent mood [affective] disorders (category). ICD-10-CM category header that is not valid for billing on its own. Use a more specific child code such as F34.1 (persistent depressive disorder/dysthymia) or F34.0 (cyclothymia). It is an ICD-10-CM category header that must be specified to a more detailed child code before billing. It is grouped under the “Mood Disorders” section of the mental, behavioral, and neurodevelopmental disorders chapter.
When to use F34
This group covers depressive disorders, bipolar disorders, cyclothymia, and persistent depressive disorder. Select single versus recurrent, severity, and remission status, and note psychotic features when present. For F34 specifically, icd-10-cm category header that is not valid for billing on its own. use a more specific child code such as f34.1 (persistent depressive disorder/dysthymia) or f34.0 (cyclothymia).
Documentation & billing
Document the episode type (single versus recurrent), severity, and any psychotic features or remission status. Use the most specific code the record supports instead of defaulting to an unspecified code.
Common pitfalls
- Defaulting to unspecified depression (F32.9 or F32.A) when severity is documented.
- Confusing bipolar I (with manic episodes) with bipolar II (hypomanic plus depressive episodes).
- Omitting psychotic-feature or remission modifiers.
Common search terms for F34
Clinicians often look up F34 using plain-language terms. This code maps to:
Frequently asked questions
What is ICD-10-CM code F34?
Persistent mood [affective] disorders (category). ICD-10-CM category header that is not valid for billing on its own. Use a more specific child code such as F34.1 (persistent depressive disorder/dysthymia) or F34.0 (cyclothymia).
Is F34 a billable ICD-10-CM code?
No. F34 is an ICD-10-CM category header that is not valid for billing on its own. ICD-10-CM category header that is not valid for billing on its own. Use a more specific child code such as F34.1 (persistent depressive disorder/dysthymia) or F34.0 (cyclothymia). Select the most specific supported child code before submitting a claim.
Which code should I use instead of F34?
Because F34 is a category header, choose a more specific child code beneath it. ICD-10-CM category header that is not valid for billing on its own. Use a more specific child code such as F34.1 (persistent depressive disorder/dysthymia) or F34.0 (cyclothymia).