What if another injury is discovered after the claim is accepted?

Read the original acceptance closely

Identify the accepted date of injury, mechanism, body part and diagnosis. Some notices use broad wording; others accept only a specific condition. Treatment payments and claim-system labels may not resolve that ambiguity.

Keep the initial claim form, incident report and first medical records. They may show symptoms or an affected body part before the formal diagnosis was available.

Why a diagnosis may appear later

A later-discovered injury can arise because:

• urgent treatment initially focused on a fracture, wound or other obvious condition
• soft-tissue, neurological or cognitive symptoms evolved over time
• imaging or specialist review clarified the diagnosis
• the later condition developed as a consequence of the accepted injury or treatment
• a return-to-work attempt revealed restrictions not explained by the first diagnosis

The specialist should answer the real causation question

A report should identify whether the later diagnosis was caused or aggravated by the original work event, arose as a consequence of the accepted injury or treatment, or is unrelated. It should address the mechanism, symptom history, examination, imaging and relevant prior records.

Imaging showing a condition is not enough by itself. The opinion should explain whether the finding matches the worker’s symptoms and the accident or treatment chronology.

Explain the interval honestly

Set out when the relevant symptoms were first noticed, reported and recorded; what treatment took priority; when tests were ordered; and when the diagnosis was made. Do not reconstruct an earlier complaint that the records do not support.

If reporting was delayed, record the real reason, such as hospital focus on a more serious injury, language difficulty, evolving symptoms or an initial diagnosis that later changed.

Treatment requests should identify the later condition

A referral or treatment request should state the diagnosis being investigated or treated, its relationship to the work injury and the expected benefit. This reduces the risk that the request is rejected because it appears unrelated to the accepted condition.

Where testing is needed to clarify diagnosis, the treating doctor should explain the clinical question rather than assume the result in advance.

Ask for a clear liability decision

Notify the insurer that compensation is sought for the later diagnosis and provide the supporting medical material. A certificate of capacity can alert the insurer, but it is still important to confirm the worker’s intention and the insurer’s written position.

SIRA Standard S13 states that insurers should investigate additional or consequential conditions and issue a liability decision if disputed. Keep the decision and reasons with the claim file.

Common reasons for refusal

An insurer may rely on:

• no complaint about that body part or symptom in the early records
• a mechanism said not to fit the diagnosis
• degenerative, pre-existing or non-work explanations
• inconsistent histories about onset or side of symptoms
• a view that treatment is investigative or unrelated to the accepted injury

The condition must be accepted and stable before WPI is meaningful

A later-discovered physical injury may be assessed under its applicable NSW body-system method if it forms part of the accepted impairment claim and has stabilised. Physical impairments are combined only where the Guidelines permit.

A scan result, diagnosis or operation does not set a percentage. The assessor applies the required findings and avoids double counting overlap with the original injury.

Effect on work capacity and treatment

The later diagnosis may explain restrictions that were previously attributed only to the original injury. Updated certificates and reports should distinguish what each condition contributes to capacity, treatment and recovery.

Acceptance of the later condition may affect decisions, but it does not automatically establish a particular payment period or treatment outcome. The statutory rules and evidence still apply.

Evidence checklist

Collect records that bridge the original event and the later diagnosis:

• claim form, original acceptance and incident report
• emergency, hospital and first GP records
• early references to the relevant symptom or body part
• referrals, imaging and specialist reports explaining the diagnosis and causation
• prior medical records where pre-existing impairment is raised
• later certificate of capacity, treatment request and insurer decision