ICD-10-CM code F33.40 describes major depressive disorder, recurrent, in remission, unspecified. Recurrent major depression currently in unspecified remission. It is a billable, specific code valid for claim submission. It is grouped under the “Mood Disorders” section of the mental, behavioral, and neurodevelopmental disorders chapter.
When to use F33.40
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 F33.40 specifically, recurrent major depression currently in unspecified remission.
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 F33.40
Clinicians often look up F33.40 using plain-language terms. This code maps to:
Frequently asked questions
What is ICD-10-CM code F33.40?
Major depressive disorder, recurrent, in remission, unspecified. Recurrent major depression currently in unspecified remission.
Is F33.40 a billable ICD-10-CM code?
Yes. F33.40 (Major depressive disorder, recurrent, in remission, unspecified) is a billable, specific ICD-10-CM code that can be reported on a claim. Confirm the current official descriptor against the CDC code set and your payer’s policies before submitting.
What should I document to support F33.40?
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.