23 May 2025
Spencer
[FYI request #30875 email]
Kia ora Spencer
Your Official Information Act request, reference: GOV-039784
Thank you for your request of 30 April 2025, asking for the following information under the Official
Information Act 1982 (the Act):
I request the following documents that relate to ACC’s internal policies and procedures for
impairment assessments and client reviews, specifical y in the context of decisions concerning
Permanent Injury Compensation:
1. Impairment Assessment Policies
• Al internal policy and procedure documents related to the application of the AMA Guides to
the Evaluation of Permanent Impairment.
• Guidelines used by assessors (including general practitioners and specialists) when
determining Whole Person Impairment (WPI) scores.
• ACC's protocols on how non-physical impairments (e.g., cognitive, neurological, psychiatric)
are to be assessed under the AMA framework.
2. Referral and Evaluation Pathways
• ACC’s policy on referral procedures for neuropsychological, neurological, or psychiatric
evaluation when symptoms of head injury, memory loss, or mental/emotional impairment are
present.
• Internal criteria for when such referrals are deemed necessary during the impairment
assessment process.
3. Review and Dispute Resolution Process
• The internal guidance for handling ICRA reviews and ADR sessions, including expectations for
evidence evaluation, client participation, and escalation of disputed decisions.
Our response
Part 1 Please find attached the following documents:
• Impairment Assessments Overview Service Page
• Impairment Assessor Policy
GOV-039784 Page 1 of 2

Further, we refer you to The ACC User Handbook to the AMA “Guides to the Evaluation of Permanent
Impairment” 4th Edition. This document is available on the ACC website, here:
https://www.acc.co.nz/assets/provider/ama4-handbook-acc716.pdf.
Part 2
Please refer to the following documents attached:
•
Traumatic Brain Injury: Diagnosis, Acute Management and Rehabilitation, July 2006.
•
Traumatic Brain Injury: Diagnosis, Acute Management and Rehabilitation, March 2007
•
Assess and Arrange Neuropsychological Assessment (Document 10)
Part 3
Please find the following documents attached:
•
Receive, Log and Allocate Review Application
•
Complete Background Review
•
Conduct Initial Customer Contact
•
Prepare and Attend an Alternative Dispute Resolution (ADR)
•
Review decisions Policy
As names were not requested, they have been deemed out of scope of your request and removed from
the documents provided.
If you have any questions about this response, please get in touch
You can email me at [email address].
If you are not happy with this response, you can also contact the Ombudsman via
[email address] or by phoning 0800 802 602. Information about how to make a
complaint is available at www.ombudsman.parliament.nz.
Ngā mihi
Thomas Jackson
Manager Official Information Act Services Government Engagement
GOV-039784 Page 2 of 2