F32.9
Major depressive disorder, single episode, unspecified
Mental, behavioral and neurodevelopmental disorders Billable
Quick Reference
First episode of major depression without specification of severity
Clinical Information
When to Use This Code
First episode of major depression without specification of severity
Common Clinical Scenarios
- New depression diagnosis
- Antidepressant initiation
- Depression without severity documented
- Single episode MDD
Documentation Requirements
- Use PHQ-9 to quantify severity and track response
- Document specific symptoms: anhedonia, sleep changes, appetite, energy
- Specify severity: mild (F32.0), moderate (F32.1), severe (F32.2)
- Note suicide risk assessment results
Coding Guidelines
Inclusion Terms
These terms are included in this code:
Major depression, single episodeDepression NOSDepressive disorder
Exclusion Terms
Do NOT use this code for:
- Recurrent depression (F33.-)
- Bipolar depression (F31.-)
- Adjustment disorder with depressed mood (F43.21)
Coding Notes
Use F33.- codes for recurrent episodes
Specify severity when documented (mild, moderate, severe)
Add codes for suicidal ideation (R45.851) if present
Related ICD-10 Codes
Consider these related codes based on patient presentation:
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Code
F32.9
Category
Mental, behavioral and neurodevelopmental disorders
Billable Status
Billable
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