F33.40
✓ Billable
Major depressive disorder, recurrent, in remission, unspecified
ICD-10-CM · FY2026 · Mental, Behavioral and Neurodevelopmental Disorders
Code
F33.40
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Mental, Behavioral and Neurodevelopmental Disorders
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code F33.40?
ICD-10-CM code F33.40 represents Major depressive disorder, recurrent, in remission, unspecified. It is a billable diagnosis code in the Mental, Behavioral and Neurodevelopmental Disorders chapter, effective October 1, 2025 – September 30, 2026.
Is F33.40 billable?
Yes. F33.40 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is F33.40 in?
F33.40 belongs to the Mental, Behavioral and Neurodevelopmental Disorders chapter (F01–F99) of ICD-10-CM.
Related codes in the F33 category
F33
Major depressive disorder, recurrent
Non-billable
F33.0
Major depressive disorder, recurrent, mild
Billable
F33.1
Major depressive disorder, recurrent, moderate
Billable
F33.2
Major depressive disorder, recurrent severe without psychotic features
Billable
F33.3
Major depressive disorder, recurrent, severe with psychotic symptoms
Billable
F33.4
Major depressive disorder, recurrent, in remission
Non-billable
F33.8
Other recurrent depressive disorders
Billable
F33.9
Major depressive disorder, recurrent, unspecified
Billable
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