ICD-10-CM code F33 describes major depressive disorder, recurrent (category). ICD-10-CM category header that is not valid for billing on its own. Use a more specific child code such as F33.1 (recurrent, moderate) or F33.9 (recurrent, unspecified). 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 F33
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 F33 specifically, icd-10-cm category header that is not valid for billing on its own. use a more specific child code such as f33.1 (recurrent, moderate) or f33.9 (recurrent, unspecified).
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 F33
Clinicians often look up F33 using plain-language terms. This code maps to:
Frequently asked questions
What is ICD-10-CM code F33?
Major depressive disorder, recurrent (category). ICD-10-CM category header that is not valid for billing on its own. Use a more specific child code such as F33.1 (recurrent, moderate) or F33.9 (recurrent, unspecified).
Is F33 a billable ICD-10-CM code?
No. F33 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 F33.1 (recurrent, moderate) or F33.9 (recurrent, unspecified). Select the most specific supported child code before submitting a claim.
Which code should I use instead of F33?
Because F33 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 F33.1 (recurrent, moderate) or F33.9 (recurrent, unspecified).