General practitioners perform an integral function in progressing the medical forms for workers compensation claims.

Allied health providers are encouraged to access the Clinical Framework for the Delivery of Health Services.

The WorkCover WA Guidelines for the Evaluation of Permanent Impairment are issued for the purpose of evaluating the degree of permanent impairment that arises from an injury. The Act requires Approved Permanent Impairment Assessors make assessments of permanent impairment in accordance with the Guidelines.

WorkCover WA Guidelines for the Evaluation of Permanent Impairment – 2nd Edition – 1 July 2026

NOTE: The Second Edition of the Guidelines for the Evaluation of Permanent Impairment will apply for all assessments conducted on or after 1 July 2026.

Changes from the 1st edition to the 2nd edition can be found in this summary document.


WorkCover WA Guidelines for the Evaluation of Permanent Impairment – 1st Edition – 1 July 2024

The Approved Permanent Impairment Assessor Standards of Practice provide a cohesive set of service expectations to ensure APIAs deliver high quality services when assessing a worker’s degree of permanent impairment.

WorkCover WA Approved Permanent Impairment Assessor Standards of Practice

NOTE: The Approved Permanent Impairment Assessor Standards of Practice do not come into effect until 1 July 2026.

APIA Application Pack – SPECIALIST – Medical Practitioners
Information on how to apply to become a specialist APIA medical practitioner.


APIA Application Pack – NON-SPECIALIST – Medical Practitioners
Information on how to apply to become a non-specialist APIA medical practitioner.

NIHL Directory of Service Providers
A directory of approved hearing testers in Western Australia.


NIHL Process and Guide for Authorised Audiologists

For forms and fact sheets, visit the Noise induced hearing loss section on the Resources page.