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J45.50 Respiratory
Updated March 2026

Severe persistent asthma, uncomplicated

ICD-10 Code: J45.50 · Body Part: Head/Brain (TBI)

QME Evaluation Process

PFTs showing severe obstruction, oral corticosteroid requirement assessment, functional limitation evaluation. Chapter 5 respiratory impairment.

Typical Impairment Rating

25-50% WPI

AMA Guides Edition

5th Edition

Common Treatments

+ High-dose ICS/LABA
+ Oral corticosteroids
+ Biologic therapy
+ Bronchial thermoplasty

Related Conditions

Body Part Guide

Head/Brain (TBI) Evaluation Guide

Impairment rating methods, common conditions, and QME evaluation protocols

View Guide →

QME Specialties for Severe persistent asthma, uncomplicated

Find a QME Specialist

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

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Frequently Asked Questions

What is Severe persistent asthma, uncomplicated (J45.50)?

Severe persistent asthma, uncomplicated is an ICD-10 diagnosis code (J45.50) 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 J45.50 rated for impairment?

The typical whole person impairment (WPI) range for Severe persistent asthma, uncomplicated is 25-50% 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 J45.50?

PFTs showing severe obstruction, oral corticosteroid requirement assessment, functional limitation evaluation. Chapter 5 respiratory impairment.

What treatments are common for Severe persistent asthma, uncomplicated?

Common treatments for Severe persistent asthma, uncomplicated include High-dose ICS/LABA, Oral corticosteroids, Biologic therapy, Bronchial thermoplasty. Treatment appropriateness and outcomes are considered during the QME evaluation when determining permanent and stationary status and apportionment.