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IMEPro
M43.06 Musculoskeletal
Updated March 2026

Spondylolysis, lumbar region

ICD-10 Code: M43.06 · Body Part: Lumbar Spine

QME Evaluation Process

Lumbar ROM testing, imaging review for pars defect. Apportionment analysis as pars defects may be developmental. DRE method.

Typical Impairment Rating

5-15% WPI; DRE Category II-III

AMA Guides Edition

5th Edition

Common Treatments

+ Physical therapy
+ Bracing
+ Pars repair or fusion for refractory cases

Related Conditions

Body Part Guide

Lumbar Spine Evaluation Guide

Impairment rating methods, common conditions, and QME evaluation protocols

View Guide →

QME Specialties for Spondylolysis, lumbar region

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Browse QME-certified physicians who evaluate spondylolysis, lumbar region and related lumbar spine conditions in California.

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Frequently Asked Questions

What is Spondylolysis, lumbar region (M43.06)?

Spondylolysis, lumbar region is an ICD-10 diagnosis code (M43.06) classified under Musculoskeletal conditions. It affects the Lumbar Spine and is commonly encountered in California workers' compensation claims. QME physicians evaluate this condition using AMA Guides 5th Edition protocols.

How is M43.06 rated for impairment?

The typical whole person impairment (WPI) range for Spondylolysis, lumbar region is 5-15% WPI; DRE Category II-III. 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 M43.06?

Lumbar ROM testing, imaging review for pars defect. Apportionment analysis as pars defects may be developmental. DRE method.

What treatments are common for Spondylolysis, lumbar region?

Common treatments for Spondylolysis, lumbar region include Physical therapy, Bracing, Pars repair or fusion for refractory cases. Treatment appropriateness and outcomes are considered during the QME evaluation when determining permanent and stationary status and apportionment.