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Medical Terminology
Updated March 2026

Hearing Loss

Legal basis: LC §4662

Definition

Partial or complete loss of hearing resulting from occupational noise exposure or head trauma. Occupational hearing loss is rated under AMA Guides Chapter 11 using audiometric testing results, and apportionment between industrial noise exposure and age-related hearing loss (presbycusis) is frequently required.

Related Terms

Frequently Asked Questions

What is a Hearing Loss?

Partial or complete loss of hearing resulting from occupational noise exposure or head trauma. Occupational hearing loss is rated under AMA Guides Chapter 11 using audiometric testing results, and apportionment between industrial noise exposure and age-related hearing loss (presbycusis) is frequently required.

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

Hearing Loss is governed by LC §4662 under California workers' compensation law. This statute defines the requirements, procedures, and standards for hearing loss in the workers' compensation system as of 2026.

Why is hearing loss important in workers' compensation?

Hearing Loss is a key medical concept in workers' compensation evaluations. Understanding this term helps physicians document findings accurately and helps attorneys and adjusters evaluate the medical aspects of a claim.