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Serious Injury Threshold in NSW CTP Claims: What Claimants Need to Know About PIC Disputes

This article explains the legal definition of 'serious injury' under NSW CTP laws and how claimants should prepare for disputes with PICs. It outlines SIRA's assessment process, practical steps for claimants, and the importance of medical evidence. Time limits and dispute resolution options are also covered.

Current as at 17 October 2026

Serious Injury Threshold in NSW CTP Claims

Under New South Wales law, a 'serious injury' for Compulsory Third Party (CTP) compensation must meet specific criteria outlined in the Motor Accident Injuries Act 2017 (MAIA). This threshold determines whether a claimant qualifies for higher benefits, including weekly income payments and lifetime care. If the Personal Injury Commission (PIC) disputes whether an injury meets this threshold, claimants must understand how SIRA evaluates such cases.

Legal Definition of 'Serious Injury'

The MAIA defines a 'serious injury' as an injury that results in a whole person impairment (WPI) of 10% or more, or a spinal nerve-root injury with neurological signs. For soft-tissue injuries, the threshold requires a spinal nerve-root injury producing neurological signs other than radiculopathy, or radiculopathy with specified clinical signs. This distinction is critical when disputes arise over whether an injury qualifies as 'serious' under the scheme.

How SIRA Assesses Disputes

SIRA (State Insurance Regulatory Authority) evaluates disputes by reviewing medical evidence, including clinical reports, imaging, and expert opinions. If a claimant's injury is challenged, SIRA may request additional documentation or consult with medical practitioners. The PIC must demonstrate that the injury does not meet the threshold criteria, such as a WPI of 10% or the spinal nerve-root qualification. Claimants should ensure all medical records are comprehensive and clearly link the injury to the accident.

Practical Steps for Claimants

When PICs dispute a claim, injured persons should take the following steps:

  • Gather detailed medical records showing the nature and severity of the injury.
  • Document all treatment and care costs, including therapy sessions and medical equipment.
  • Provide evidence of income loss if applicable, such as payslips or employer statements.
  • Respond to PIC requests for additional information promptly and thoroughly.

Time Limits and Dispute Resolution

Claimants must notify the PIC of their intention to claim within 52 weeks of the accident, as benefits for threshold injuries are generally limited after this period. If a dispute arises, claimants can request an internal review by the PIC or escalate to SIRA. However, a challenge does not guarantee a changed decision. The PIC has the authority to uphold its initial assessment if the evidence supports it.

Example of a Dispute Scenario

Consider a claimant who suffered a spinal nerve-root injury after a car accident. The PIC disputes whether the injury meets the threshold, arguing there is no radiculopathy. The claimant must provide clinical evidence showing neurological signs, such as muscle weakness or sensory loss, to support their case. SIRA will assess whether the injury meets the spinal nerve-root qualification under the MAIA.

When to Seek Legal Advice

If a PIC dispute escalates or involves complex medical evidence, claimants should seek legal advice. A solicitor can help navigate the internal review process, challenge the PIC's decision, or explore alternative remedies. Legal assistance is particularly valuable when disputes involve long-term injuries or disputes over weekly income payments.

Next Steps

CTP claims depend on the specific facts of each case, including the date of the accident, the nature of the injury, and the evidence provided. To request contact about your circumstances, complete the quick, no obligation enquiry form.

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