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IMEPro
Impairment Rating
Updated March 2026

Age at Date of Injury

Legal basis: LC §4660.1

Definition

The injured worker's age on the date of injury, used as an adjustment factor in the Permanent Disability Rating Schedule. The age adjustment reflects the principle that the same impairment has a greater impact on a younger worker's future earning capacity over a longer remaining work life than on an older worker closer to retirement.

Key Facts About Age at Date of Injury 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 Age at Date of Injury?

The injured worker's age on the date of injury, used as an adjustment factor in the Permanent Disability Rating Schedule. The age adjustment reflects the principle that the same impairment has a greater impact on a younger worker's future earning capacity over a longer remaining work life than on an older worker closer to retirement.

What is the legal basis for Age at Date of Injury in California workers' compensation?

Age at Date of Injury is governed by LC §4660.1 under California workers' compensation law. This statute defines the requirements, procedures, and standards for age at date of injury in the workers' compensation system as of 2026.

How is age at date of injury calculated in California?

Age at Date of Injury 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.