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v1.0.0
ICD-10 Guide
DiagnosesModerate Recurrent Major Depression

Moderate Recurrent Major Depression

ICD-10 Coding for Moderate Recurrent Major Depression(F33.1)

PRIMARY SPECIALTYPsychiatry
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Moderate Recurrent Major Depression?
Essential facts and insights about Moderate Recurrent Major Depression

Key Clinical Considerations:

  • Persistent low mood for most of the day, nearly every day
  • Loss of interest or pleasure in most activities
  • Significant weight change or appetite disturbance
  • Sleep disturbances (insomnia or hypersomnia)
  • Fatigue or loss of energy
  • Feelings of worthlessness or excessive guilt
  • Difficulty concentrating or making decisions
  • Recurrent thoughts of death or suicidal ideation

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including duration and severity of symptoms
  • Assessment of functional impairment
  • Evidence of recurrent episodes
  • Use of standardized rating scales (e.g., PHQ-9)
  • Clear documentation of treatment plan and follow-up

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for differentiating between mild, moderate, and severe episodes.
  • Common errors include misclassifying the severity or failing to document recurrence.

Code Exclusions

Important Exclusions

  • Bipolar disorder (F31)
  • Adjustment disorder with depressed mood (F43.21)
  • Substance-induced mood disorder (F11.3)

Related ICD-10 Codes

Primary Codes
F33.1
Moderate recurrent major depressive disorder
Ancillary Codes
F41.9
G47.00
Differential Codes
F32.1
F32.1
for a single episode without prior history of depression.
F33.0
F33.0
if the current episode is mild with a PHQ-9 score of 5-9.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Psychiatry

Specialty Applications

  • Adults and adolescents with recurrent depressive episodes
  • Outpatient psychiatric settings and inpatient facilities

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What are the documentation requirements?

Document the patient's history, symptoms, and treatment response.

What are the billing considerations?

Ensure accurate coding to reflect the severity and recurrence of the condition.