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F45.42 Psychiatric
Updated March 2026

Pain disorder with related psychological factors

ICD-10 Code: F45.42 · Body Part: Head/Brain (TBI)

QME Evaluation Process

Psychiatric and pain evaluation, psychological testing, functional assessment. May be rated under Chapter 14 (psychiatric) and/or Chapter 18 (pain). Important for chronic pain cases.

Typical Impairment Rating

5-20% WPI psychiatric component

AMA Guides Edition

5th Edition

Common Treatments

+ Cognitive behavioral therapy for pain
+ Interdisciplinary pain program
+ Psychopharmacology

Related Conditions

Body Part Guide

Head/Brain (TBI) Evaluation Guide

Impairment rating methods, common conditions, and QME evaluation protocols

View Guide →

QME Specialties for Pain disorder with related psychological factors

Find a QME Specialist

Browse QME-certified physicians who evaluate pain disorder with related psychological factors and related head/brain (tbi) conditions in California.

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Frequently Asked Questions

What is Pain disorder with related psychological factors (F45.42)?

Pain disorder with related psychological factors is an ICD-10 diagnosis code (F45.42) 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 F45.42 rated for impairment?

The typical whole person impairment (WPI) range for Pain disorder with related psychological factors is 5-20% WPI psychiatric component. 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 F45.42?

Psychiatric and pain evaluation, psychological testing, functional assessment. May be rated under Chapter 14 (psychiatric) and/or Chapter 18 (pain). Important for chronic pain cases.

What treatments are common for Pain disorder with related psychological factors?

Common treatments for Pain disorder with related psychological factors include Cognitive behavioral therapy for pain, Interdisciplinary pain program, Psychopharmacology. Treatment appropriateness and outcomes are considered during the QME evaluation when determining permanent and stationary status and apportionment.