ICD-10 F32.9
Billable / SpecificMajor depressive disorder, single episode, unspecified
About ICD-10-CM F32.9
ICD-10-CM code F32.9 represents Major depressive disorder, single episode, unspecified. This is a billable/specific code in the Mental, Behavioral, and Neurodevelopmental chapter (block F32). The 2026 edition of ICD-10-CM F32.9 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under F32.9. Per CMS ICD-10-CM Tabular 2026.
- Major depression NOS
Medicare LCD Coverage for F32.9
Local Coverage Determinations (LCDs) from CMS MACs that list F32.9 as a covered diagnosis.
Showing top 10 of 347 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing F32.9.
1 Cigna
5 Medicare
1 Aetna
CPT Codes Commonly Billed with F32.9
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 90834 Psychotherapy 45 min — GAD, anxiety, MDD, recurrent depression, PTSD, adjustment disorder, BPD, OCD, bipolar, ADHD, autism, anorexia, bulimia Psychiatry
- 90837 Psychotherapy 60 min — same as 90834 plus substance use disorders, severe depression Psychiatry
- 90791 Psychiatric diagnostic evaluation — any mental health dx for initial assessment, suicidal ideation, hallucinations, antisocial behavior Psychiatry
- 90792 Psychiatric eval with medical services — schizophrenia, bipolar, MDD, anxiety, personality disorder, ASD, ADHD, substance use Psychiatry
- 90847 Family psychotherapy with patient — anxiety, depression, adjustment, relationship problems, substance use, eating disorder, conduct disorder, separation anxiety Psychiatry
Convert F32.9 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| F32.9 | 29620 | 10000 |
| F32.9 | 311 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To F32.9
Other codes in section F30-F39 (Mood [affective] disorders).
ICD-10 F32.9, Billing FAQ
Is ICD-10 code F32.9 billable? +
Yes, F32.9 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to F32.9? +
ICD-10 F32.9 includes: Major depression NOS.
What CPT codes are commonly billed with F32.9? +
Procedures frequently paired with F32.9 include: 90834, 90837, 90791, 90792, 90847.
What ICD-9 codes does F32.9 map to? +
Per CMS GEMs, F32.9 maps to ICD-9 codes: 29620, 311. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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