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Appendix 1. Key definitions

TermDefinition

AMA5

The 5th edition of the American Medical Association’s (AMA) Guides to the evaluation of permanent impairment and any published errata.

AMA4

The 4th edition of the American Medical Association’s (AMA) Guides to the evaluation of permanent impairment.

Approved Medical Specialist (AMS)

A senior practising specialist with a sound knowledge of the NSW workers compensation system and workplace based injury management. They are appointed by the Workers Compensation Commission to assess disputes about  medical issues for workers compensation claims lodged on or after 1 January 2002.

Assessor

An assessor will be a registered medical practitioner recognised as a medical specialist.

  • ‘Medical practitioner’ means a person registered in the medical profession under the Health Practitioner Regulation National Law (NSW) No. 86a, or equivalent Health Practitioner Regulation National Law in their jurisdiction with the Australian Health Practitioner Regulation Agency.
  • ‘Medical specialist’ means a medical practitioner recognised as a specialist in accordance with the Health Insurance Regulations 1975, Schedule 4, Part 1, who is remunerated at specialist rates under Medicare.

The assessor will have qualifications, training and experience relevant to the body system being assessed. The assessor will have successfully completed requisite training in using the Guidelines for each body system they intend on assessing. They will be listed as a trained assessor of permanent impairment for each relevant body system(s) on the State Insurance Regulatory Authority website.

Degree of impairment

The degree of permanent impairment as assessed according to section 65 of the Workers Compensation Act 1987.

Injury

A personal injury arising out of or in the course of employment and includes a disease injury.

Maximum medical improvement (MMI)

This is considered to occur when the worker’s condition is well stabilised and is unlikely to change substantially in the next year, with or without medical treatment.

NSW Guidelines

The NSW workers compensation guidelines for the evaluation of permanent impairment.

Secondary injury

Means an injury to the extent that it arises as a consequence of, or secondary to, another injury.

The Act

The Workers Compensation Act 1987

The Workplace Injury Management and Workers Compensation Act 1998

The Workers Compensation Regulation 2010