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v1.0.0
ICD-10 Guide
DiagnosesPsychiatric Evaluation

Psychiatric Evaluation

ICD-10 Coding for Psychiatric Evaluation(Z04.6, F32.9)

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

Diagnosis Overview

What is Psychiatric Evaluation?
Essential facts and insights about Psychiatric Evaluation

Key Clinical Considerations:

  • Mood disturbances, anxiety symptoms, cognitive impairments
  • Psychometric tests, structured interviews, DSM-5 criteria
  • General appearance, affect, thought process, insight, judgment

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history, mental status examination, treatment plan
  • ICD-10-CM codes, CPT codes for evaluation and management
  • Example: 'Patient presents with anxiety and depressive symptoms, MSE shows moderate impairment in insight.'

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for appropriate code selection based on severity and duration.
  • Common errors include using outdated codes or incorrect levels of service.

Code Exclusions

Important Exclusions

  • Substance use disorders, neurocognitive disorders
  • Alternative codes for specific conditions like PTSD or bipolar disorder

Related ICD-10 Codes

Primary Codes
F32.9
Major depressive disorder, single episode, unspecified
F41.9
Anxiety disorder, unspecified
Ancillary Codes
Z00.4
Differential Codes
F20.9
F20.9
if schizophrenia is diagnosed during evaluation.
F34.1
F34.1
for chronic depression lasting more than two years.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Psychiatry

Specialty Applications

  • Adults, children, and adolescents with mental health concerns
  • Outpatient clinics, inpatient facilities, telepsychiatry

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

Documentation requirements?

Include detailed patient history, mental status exam, and treatment recommendations.

Billing considerations?

Ensure correct CPT codes are used for the level of service provided.