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IMEPro
G83.4 Neurological
Updated March 2026

Cauda equina syndrome

ICD-10 Code: G83.4 · Body Part: Lumbar Spine

QME Evaluation Process

Comprehensive neurological examination including perineal sensation, rectal tone, bladder function. MRI for canal compromise. Emergency surgical condition. DRE Category V for surgical residuals.

Typical Impairment Rating

25-40% WPI; DRE Category V plus potential bowel/bladder impairment

AMA Guides Edition

5th Edition

Common Treatments

+ Emergency surgical decompression
+ Physical therapy
+ Bladder management
+ Pain management

Related Conditions

Body Part Guide

Lumbar Spine Evaluation Guide

Impairment rating methods, common conditions, and QME evaluation protocols

View Guide →

QME Specialties for Cauda equina syndrome

Find a QME Specialist

Browse QME-certified physicians who evaluate cauda equina syndrome and related lumbar spine conditions in California.

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Frequently Asked Questions

What is Cauda equina syndrome (G83.4)?

Cauda equina syndrome is an ICD-10 diagnosis code (G83.4) classified under Neurological 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 G83.4 rated for impairment?

The typical whole person impairment (WPI) range for Cauda equina syndrome is 25-40% WPI; DRE Category V plus potential bowel/bladder impairment. 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 G83.4?

Comprehensive neurological examination including perineal sensation, rectal tone, bladder function. MRI for canal compromise. Emergency surgical condition. DRE Category V for surgical residuals.

What treatments are common for Cauda equina syndrome?

Common treatments for Cauda equina syndrome include Emergency surgical decompression, Physical therapy, Bladder management, Pain management. Treatment appropriateness and outcomes are considered during the QME evaluation when determining permanent and stationary status and apportionment.