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IMEPro
M51.16 Musculoskeletal
Updated March 2026

Intervertebral disc disorders with radiculopathy, lumbar region

ICD-10 Code: M51.16 · Body Part: Lumbar Spine

QME Evaluation Process

Neurological examination including straight leg raise, dermatomal sensory testing, motor strength testing, and deep tendon reflexes. EMG/NCS may be indicated. MRI correlation required. DRE method typically used.

Typical Impairment Rating

10-28% WPI per DRE Category III-V

AMA Guides Edition

5th Edition

Common Treatments

+ Epidural steroid injections
+ Physical therapy
+ Microdiscectomy
+ Lumbar decompression

Related Conditions

Body Part Guide

Lumbar Spine Evaluation Guide

Impairment rating methods, common conditions, and QME evaluation protocols

View Guide →

QME Specialties for Intervertebral disc disorders with radiculopathy, lumbar region

Find a QME Specialist

Browse QME-certified physicians who evaluate intervertebral disc disorders with radiculopathy, lumbar region and related lumbar spine conditions in California.

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Frequently Asked Questions

What is Intervertebral disc disorders with radiculopathy, lumbar region (M51.16)?

Intervertebral disc disorders with radiculopathy, lumbar region is an ICD-10 diagnosis code (M51.16) 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 M51.16 rated for impairment?

The typical whole person impairment (WPI) range for Intervertebral disc disorders with radiculopathy, lumbar region is 10-28% WPI per DRE Category III-V. 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 M51.16?

Neurological examination including straight leg raise, dermatomal sensory testing, motor strength testing, and deep tendon reflexes. EMG/NCS may be indicated. MRI correlation required. DRE method typically used.

What treatments are common for Intervertebral disc disorders with radiculopathy, lumbar region?

Common treatments for Intervertebral disc disorders with radiculopathy, lumbar region include Epidural steroid injections, Physical therapy, Microdiscectomy, Lumbar decompression. Treatment appropriateness and outcomes are considered during the QME evaluation when determining permanent and stationary status and apportionment.