F33.9

Billable

Major depressive disorder, recurrent, unspecified

F33.9 is the ICD-10-CM code for Major depressive disorder, recurrent, unspecified. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
F01-F99
Parent
F33
Edition
FY2026

F01-F99 Mental, Behavioral and Neurodevelopmental disorders

Includes

  • Monopolar depression NOS

Frequently asked questions

What is ICD-10 code F33.9?
F33.9 is the ICD-10-CM code for "Major depressive disorder, recurrent, unspecified". It falls under F01-F99 Mental, Behavioral and Neurodevelopmental disorders.
Is F33.9 a billable code?
Yes — F33.9 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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