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IMEPro
F43.20 Psychiatric Parent Code
Updated March 2026

Adjustment disorder, unspecified

ICD-10 Code: F43.20 · Body Part: Head/Brain (TBI)

QME Evaluation Process

Psychiatric interview, functional assessment, temporal relationship to stressor evaluation. Chapter 14 impairment rating. Usually lower impairment than major psychiatric disorders.

Typical Impairment Rating

5-15% WPI

AMA Guides Edition

5th Edition

Common Treatments

+ Supportive psychotherapy
+ Short-term medication if needed
+ Stress management

Related Conditions

Body Part Guide

Head/Brain (TBI) Evaluation Guide

Impairment rating methods, common conditions, and QME evaluation protocols

View Guide →

QME Specialties for Adjustment disorder, unspecified

Find a QME Specialist

Browse QME-certified physicians who evaluate adjustment disorder, unspecified and related head/brain (tbi) conditions in California.

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Frequently Asked Questions

What is Adjustment disorder, unspecified (F43.20)?

Adjustment disorder, unspecified is an ICD-10 diagnosis code (F43.20) classified under Psychiatric conditions. It affects the Head/Brain (TBI) and is commonly encountered in California workers' compensation claims. QME physicians evaluate this condition using AMA Guides 5th Edition protocols.

How is F43.20 rated for impairment?

The typical whole person impairment (WPI) range for Adjustment disorder, unspecified is 5-15% WPI. The exact rating depends on clinical findings, imaging, and the evaluation method (DRE or ROM) chosen by the QME physician per AMA Guides 5th Edition.

What is the QME evaluation process for F43.20?

Psychiatric interview, functional assessment, temporal relationship to stressor evaluation. Chapter 14 impairment rating. Usually lower impairment than major psychiatric disorders.

What treatments are common for Adjustment disorder, unspecified?

Common treatments for Adjustment disorder, unspecified include Supportive psychotherapy, Short-term medication if needed, Stress management. Treatment appropriateness and outcomes are considered during the QME evaluation when determining permanent and stationary status and apportionment.