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The CTP Psychiatric Injury Threshold: SIRA's Guidance for NSW Claimants

This article explains how SIRA determines whether a psychiatric injury meets the threshold for compensation under NSW CTP claims. It outlines the legal framework, evidence required, and practical steps for claimants. Understanding the threshold is critical for securing benefits, and claimants are advised to seek legal advice if their claim is disputed or rejected.

Current as at 20 October 2026

How SIRA Determines Psychiatric Injury Thresholds in NSW CTP Claims

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).

If you've suffered a psychiatric injury in a motor accident in New South Wales, you may be wondering whether your claim meets the legal threshold for compensation. The New South Wales Compulsory Third Party (CTP) scheme determines eligibility based on specific criteria outlined in the Motor Accident Injuries Act 2017 and interpreted by the State Insurance Regulatory Authority (SIRA). This article explains how SIRA evaluates psychiatric injuries, the evidence required, and practical steps for claimants.

The Legal Framework for Psychiatric Injuries

Under the Motor Accident Injuries Act 2017, psychiatric injuries are classified as either 'threshold injuries' or more severe claims. Threshold injuries are defined as those that result in 'some degree of psychological disturbance' but do not meet the criteria for a whole person impairment (WPI) rating. SIRA uses the Motor Accident Guidelines to assess whether a psychiatric injury qualifies as a threshold injury. Key factors include:

  • Clinical signs: The injury must produce neurological signs other than radiculopathy (nerve root irritation) or meet specific radiculopathy criteria.
  • Duration: The injury must have occurred as a direct result of the motor accident.
  • Impact: The injury must significantly affect the claimant's daily life, work capacity, or personal relationships.

SIRA's role is to interpret these guidelines and determine whether a claim falls within the threshold injury category. This distinction is critical because claims for threshold injuries are subject to different compensation rules than those for more severe injuries.

How SIRA Assesses Psychiatric Injury Claims

SIRA evaluates psychiatric injury claims by reviewing medical evidence, including:

  • Medical records: Documentation from licensed medical practitioners detailing the nature, onset, and duration of the injury.
  • Diagnostic reports: Psychological assessments or reports from qualified mental health professionals.
  • Treatment records: Evidence of therapy, medication, or other interventions.

SIRA also considers the claimant's history of mental health issues, as pre-existing conditions may affect the assessment. For example, a claimant with a history of depression may need to demonstrate that the accident caused a new or exacerbated condition.

A key consideration is whether the injury meets the 'spinal nerve-root qualification' outlined in the Motor Accident Guidelines. This means that even if a psychiatric injury does not involve physical damage to the spine, it may still qualify as a threshold injury if it produces neurological signs. However, radiculopathy (nerve root irritation) must be accompanied by specific clinical signs to meet the threshold.

Evidence Required for Psychiatric Injury Claims

To support a psychiatric injury claim under the NSW CTP scheme, claimants must provide:

  • Medical evidence: A detailed report from a licensed medical practitioner confirming the injury's connection to the accident.
  • Accident details: Police reports, witness statements, and photographs of the scene to establish the incident's circumstances.
  • Income and employment records: Proof of how the injury has affected the claimant's ability to work.
  • Treatment records: Documentation of therapy sessions, medication, or other treatments.

SIRA may also request additional information, such as a psychological assessment or a second opinion from a registered medical practitioner. It is essential to provide all relevant evidence promptly to avoid delays in processing the claim.

Practical Steps for Claimants

If you believe your psychiatric injury meets the threshold for compensation, take the following steps:

  1. Seek immediate medical attention: Document the injury with a licensed medical practitioner. This ensures that the injury is recorded and linked to the accident.
  2. Preserve accident details: Gather police reports, witness statements, and photographs of the scene. These can help establish the circumstances of the accident.
  3. Notify your insurer: Inform the at-fault driver's insurer about your claim. SIRA requires notification within a specific timeframe, although the exact deadline may vary depending on the accident date.
  4. Consult a legal professional: A solicitor can help you understand your rights and ensure that your claim is processed correctly. This is particularly important if your claim involves complex medical or legal issues.

Time Limits and Dispute Resolution

Claims for threshold injuries are subject to a 52-week limit for weekly benefits. After this period, benefits are generally not payable unless the injury is classified as a whole person impairment. It is crucial to understand that the 52-week rule applies only to injuries that are 'only injuries' resulting from the accident. If your claim involves multiple injuries, the 52-week limit may not apply.

If your claim is disputed, you may need to request a review by SIRA or seek mediation through the NSW Civil and Administrative Tribunal (NCAT). It is important to act quickly, as delays can affect the outcome of your claim.

When to Seek Legal Advice

Psychiatric injury claims can be complex, especially when they involve multiple injuries or disputes over the nature of the injury. A solicitor can help you navigate the legal process, ensure that your claim is properly documented, and represent you if your claim is rejected. This is particularly important if your claim involves a dispute over the threshold injury classification or if you are facing a dispute over the amount of compensation.

Next Steps for Claimants

Understanding the psychiatric injury threshold in NSW CTP claims is essential for claimants seeking compensation. SIRA's guidelines provide a framework for assessing these claims, but the process can be complex. If you are unsure whether your claim meets the threshold, or if your claim has been rejected, it is important to seek legal advice. Every claim depends on its own facts, and a solicitor can help you understand your options.

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