M
IMEPro
OV Impairment Rating
Updated March 2026

Occupational Variant (OV)

Legal basis: LC §4660.1

Definition

An adjustment factor in the Permanent Disability Rating Schedule that modifies the standard disability rating based on the injured worker's specific occupation and the body part affected. Occupational variants range from C (lowest impact) to J (highest impact) and reflect how much a given impairment affects the worker's ability to perform their job.

Key Facts About OV in 2026

QME Physicians in CA

~2,500

Evaluation Fee Range

$2,500-$4,000

Report Deadline

30 days

Avg AI-Assisted Turnaround

14 days

Related Terms

Frequently Asked Questions

What is a Occupational Variant (OV)?

An adjustment factor in the Permanent Disability Rating Schedule that modifies the standard disability rating based on the injured worker's specific occupation and the body part affected. Occupational variants range from C (lowest impact) to J (highest impact) and reflect how much a given impairment affects the worker's ability to perform their job.

What is the legal basis for OV in California workers' compensation?

Occupational Variant is governed by LC §4660.1 under California workers' compensation law. This statute defines the requirements, procedures, and standards for occupational variant in the workers' compensation system as of 2026.

How is occupational variant calculated in California?

Occupational Variant in California workers' compensation is typically determined using the AMA Guides to the Evaluation of Permanent Impairment, 5th Edition (2001). QME and AME physicians use standardized rating methods to ensure consistency across evaluations.