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J45.40 Respiratory
Updated March 2026

Moderate persistent asthma, uncomplicated

ICD-10 Code: J45.40 · Body Part: Head/Brain (TBI)

QME Evaluation Process

PFTs showing moderate obstruction, medication requirements assessment. Chapter 5 respiratory impairment.

Typical Impairment Rating

15-30% WPI

AMA Guides Edition

5th Edition

Common Treatments

+ ICS/LABA combination
+ LAMA
+ Biologic therapy for refractory cases

Related Conditions

Body Part Guide

Head/Brain (TBI) Evaluation Guide

Impairment rating methods, common conditions, and QME evaluation protocols

View Guide →

QME Specialties for Moderate persistent asthma, uncomplicated

Find a QME Specialist

Browse QME-certified physicians who evaluate moderate persistent asthma, uncomplicated and related head/brain (tbi) conditions in California.

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Frequently Asked Questions

What is Moderate persistent asthma, uncomplicated (J45.40)?

Moderate persistent asthma, uncomplicated is an ICD-10 diagnosis code (J45.40) classified under Respiratory 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 J45.40 rated for impairment?

The typical whole person impairment (WPI) range for Moderate persistent asthma, uncomplicated is 15-30% 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 J45.40?

PFTs showing moderate obstruction, medication requirements assessment. Chapter 5 respiratory impairment.

What treatments are common for Moderate persistent asthma, uncomplicated?

Common treatments for Moderate persistent asthma, uncomplicated include ICS/LABA combination, LAMA, Biologic therapy for refractory cases. Treatment appropriateness and outcomes are considered during the QME evaluation when determining permanent and stationary status and apportionment.