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Proving Psychiatric Injuries in NSW CTP Claims: Evidence and Documentation Requirements

Proving psychiatric injuries in NSW CTP claims requires meeting the threshold injury definition under the Motor Accident Injuries Act 2017. Claimants must provide medical evidence, documentation of symptoms, and records linking the injury to the accident. SIRA evaluates claims based on clinical criteria, and time limits apply. Seek legal advice if your claim faces disputes or delays.

Current as at 20 October 2026

Proving Psychiatric Injuries in NSW CTP Claims

Where a person's only injuries resulting from the accident are threshold injuries, weekly benefits and treatment and care generally cease after 52 weeks (ss 3.11 and 3.28).

A threshold injury under the Motor Accident Injuries Act 2017 (NSW) includes a soft tissue injury and a psychological or psychiatric injury that is not a recognised psychiatric illness (adjustment disorder and acute stress disorder are the usual examples; s 1.6 and Motor Accident Guidelines Part 5).

In New South Wales, psychiatric injuries sustained in motor vehicle accidents may qualify for compensation under the Compulsory Third Party (CTP) scheme, but claimants must meet specific legal thresholds. The Motor Accident Injuries Act 2017 (MAIA) and SIRA guidelines define what constitutes a threshold injury, which includes psychiatric conditions that meet clinical criteria. This article explains how to prove such injuries, the evidence required, and records to preserve.

Legal Threshold for Psychiatric Injuries

Under the MAIA, a psychiatric injury must meet the 'threshold injury' definition outlined in the Motor Accident Guidelines. This requires a clinical diagnosis of a mental health condition, such as post-traumatic stress disorder (PTSD), depression, or anxiety, that results from the accident. SIRA emphasizes that the injury must be 'more than a minor psychological reaction' and have a measurable impact on daily functioning.

The spinal nerve-root qualification also applies: a psychiatric injury may still qualify if it stems from a spinal nerve-root injury producing neurological signs, even if radiculopathy (nerve root irritation) is not present. However, purely psychological injuries without physical components may face stricter scrutiny.

Evidence Required to Prove a Psychiatric Injury

To support a claim, claimants must provide:

  • Medical records from a registered medical practitioner, including diagnosis codes (e.g., ICD-10 classifications) and treatment notes.
  • Expert opinion from a qualified psychiatrist or psychologist confirming the injury's origin in the accident.
  • Documentation of symptoms such as sleep disturbances, flashbacks, or avoidance behaviors.
  • Evidence of functional impairment, like reduced work capacity or social withdrawal.

SIRA requires these records to demonstrate a 'direct link' between the accident and the psychiatric condition. Incomplete or delayed documentation may weaken the claim.

Records to Keep for a Psychiatric Injury Claim

Claimants should preserve:

  • Accident details: Police reports, witness statements, and photographs of the scene.
  • Medical history: Pre-accident mental health records to establish baseline functioning.
  • Treatment records: Including therapy sessions, medication prescriptions, and hospital visits.
  • Income and employment records: To show how the injury affects work or earning capacity.
  • Correspondence with insurers: All communications with SIRA or the at-fault driver's insurer.

A hypothetical example: A cyclist who developed PTSD after a collision must provide a psychiatrist's report linking the accident to symptoms like hypervigilance and panic attacks. Without this, the claim risks being classified as a 'threshold injury' and subject to the 52-week benefits cap.

Time Limits and Dispute Resolution

Claims must be submitted within 52 weeks of the accident, though extensions may apply for complex cases. If the injury is classified as a threshold injury, benefits may be limited after this period. Disputes over diagnosis or causation can be escalated to SIRA's review process, which may involve independent medical assessments.

When to Seek Legal Advice

Claimants should consult a solicitor if:

  • The injury is contested by the insurer.
  • Medical records are incomplete or delayed.
  • The claim exceeds the 52-week timeframe.
  • There are disputes over the type of injury or its impact.

Next Steps

CTP claims involving psychiatric injuries depend on meeting strict legal and evidentiary standards. To request contact about your circumstances, complete the quick, no obligation enquiry form.

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