F33.1 — Major depressive disorder, recurrent, moderate

F33.1

ICD-10 Chapter 5: Mental, Behavioral & Neurodevelopmental — illustrative image — Chapter 5: Mental, behavioral and neurodevelopmental disorders (F01–F99) — illustrative image

What this code means

Recurrent depressive disorder of moderate severity: repeated episodes of depression over time.

Also called: recurrent depression moderate, recurrent depressive disorder.

When this code is used

Used for major depressive disorder, recurrent, moderate.

Where it sits in ICD-10-CM

Code F33.1 belongs to Chapter 5: Mental, behavioral and neurodevelopmental disorders, which covers codes F01–F99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

Related symptoms

Fatigue

Frequently asked questions

What is ICD-10-CM code F33.1?

F33.1 is the ICD-10-CM diagnosis code for “Major depressive disorder, recurrent, moderate”. Recurrent depressive disorder of moderate severity: repeated episodes of depression over time.

When is code F33.1 used?

Used for major depressive disorder, recurrent, moderate. It belongs to Chapter 5 of ICD-10-CM (Mental, behavioral and neurodevelopmental disorders).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.