M
IMEPro
M19.012 Musculoskeletal
Updated March 2026

Primary osteoarthritis, left shoulder

ICD-10 Code: M19.012 · Body Part: Shoulder

QME Evaluation Process

Shoulder ROM testing, imaging review. Apportionment analysis for degenerative vs industrial causation.

Typical Impairment Rating

10-25% UE (6-15% WPI)

AMA Guides Edition

5th Edition

Common Treatments

+ Physical therapy
+ Intra-articular injection
+ Total shoulder arthroplasty

Related Conditions

Body Part Guide

Shoulder Evaluation Guide

Impairment rating methods, common conditions, and QME evaluation protocols

View Guide →

QME Specialties for Primary osteoarthritis, left shoulder

Find a QME Specialist

Browse QME-certified physicians who evaluate primary osteoarthritis, left shoulder and related shoulder conditions in California.

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Frequently Asked Questions

What is Primary osteoarthritis, left shoulder (M19.012)?

Primary osteoarthritis, left shoulder is an ICD-10 diagnosis code (M19.012) classified under Musculoskeletal conditions. It affects the Shoulder and is commonly encountered in California workers' compensation claims. QME physicians evaluate this condition using AMA Guides 5th Edition protocols.

How is M19.012 rated for impairment?

The typical whole person impairment (WPI) range for Primary osteoarthritis, left shoulder is 10-25% UE (6-15% 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 M19.012?

Shoulder ROM testing, imaging review. Apportionment analysis for degenerative vs industrial causation.

What treatments are common for Primary osteoarthritis, left shoulder?

Common treatments for Primary osteoarthritis, left shoulder include Physical therapy, Intra-articular injection, Total shoulder arthroplasty. Treatment appropriateness and outcomes are considered during the QME evaluation when determining permanent and stationary status and apportionment.