WorkCover Certificate of Capacity NSW: iCare and State Requirements
A WorkCover certificate of capacity for NSW documents a work-related injury or illness for an icare workers' compensation claim. It's a different, more detailed document than a standard sick leave certificate, and only a registered medical practitioner can issue it.
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- AHPRA-registered Australian GPs
- icare-compliant certificate of capacity
- Supports your NSW workers' compensation claim
- Same-day issuance if approved

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Navigating Your NSW Claim
NSW workers compensation uses its own Certificate of Capacity within the broader WorkCover certificate of capacity pathway. The assessment and certificate need to follow NSW scheme requirements rather than a generic national certificate process.
NSW workers compensation uses its own Certificate of Capacity rather than a standard sick leave certificate, so understanding the scheme, claim manager and certificate requirements before the first consultation can make the process easier to manage.
This page explains how SIRA, icare and other NSW insurers fit together, who can issue first and subsequent certificates, what the certificate records and how suitable duties and ongoing reviews support recovery at work.
Key Facts
Regulator
SIRA regulates the NSW workers compensation system.
Claim management
icare manages many claims, while specialised insurers and self-insurers also operate within the scheme.
Suitable duties
Capacity information can help the employer and insurer identify suitable work during recovery.
Consult mode
Telehealth may be used where clinically appropriate and consistent with NSW scheme requirements; some presentations may require in-person assessment.
How SIRA and NSW Insurers Split Responsibility
SIRA regulates the NSW workers compensation system. icare manages many claims, while other insurers and self-insurers also operate within the scheme. Follow both SIRA requirements and the instructions from the worker's claim manager.
The Certificate of Capacity provides information about injury or illness, work capacity, treatment and functional restrictions that can support claim management and recovery-at-work planning.
icare, Specialised Insurers and Self-Insurers
The Nominal Insurer managed by icare covers most NSW employers, but it is not the only claims pathway. NSW also has specialised insurers, self-insurers and the Treasury Managed Fund for relevant government employers.
The insurer or claims service provider managing the worker's claim gives the practical instructions for submitting certificates and other claim information.
See how capacity and restrictions relate to return-to-work planningHow to Get Started
We operate as a platform that connects you with trusted Australian medical practices in three simple steps:
Book Your Certificate
Select WorkCover certificate NSW on the OMC Health booking page and tell us a bit about your situation.
Consult with an AHPRA-Registered GP
Commonly, video, given the functional capacity assessment involved, the GP may proceed by phone for straightforward reviews.
Receive Your Certificate If Approved
If the GP determines it's clinically appropriate, your certificate is digitally issued and emailed the same day.
Ready to get started?
Book a real-time consultation with an AHPRA-registered GP. From 13.99.
What Is the NSW Certificate of Capacity?
The NSW Certificate of Capacity records the worker's injury or illness, treatment and the impact on their ability to perform usual activities, including work. It also records the work-capacity outcome needed by the insurer, employer and worker during recovery.
It is more detailed than a standard sick leave certificate because it contributes to workers compensation claim management, injury management and recovery-at-work planning.
SIRA Certificate of Capacity guidanceFirst and Subsequent NSW Certificates of Capacity Are Not the Same
The first Certificate of Capacity is typically completed by the worker's nominated treating doctor in consultation with the worker. For second and subsequent certificates, SIRA-approved treating physiotherapists or psychologists may certify within their approved scope and area of expertise. This is a NSW scheme rule and should not be generalised to other states.
Where several injuries or broader health issues need to be considered together, the worker may need to return to the nominated treating doctor so overall capacity can be assessed appropriately.
What the Nominated Treating Doctor Records
The medical section includes a clear diagnosis using appropriate medical terminology, necessary treatment and the impact of the injury or illness on the worker's capacity for usual activities and work.
The capacity section may identify capacity for pre-injury duties, capacity for some type of work or no current capacity for work, together with functional information that helps guide safe recovery.
Read SIRA's workers compensation guide for medical practitioners →Suitable Duties Planning in NSW
Capacity information on the certificate can help the worker, employer and insurer identify suitable work and develop recovery-at-work arrangements.
The emphasis is on what the worker can safely do, where possible, rather than relying only on a broad statement that they are fit or unfit.
Capacity information may cover
- Hours or days the worker can manage
- Functional or task restrictions
- Review timing as recovery changes
Progress Certificates and Review Intervals in NSW
Capacity should be reviewed as recovery, treatment and functional ability change rather than treating one certificate as an open-ended assessment.
Under SIRA guidance, certificates generally should not cover more than 28 days unless there are specific clinical reasons. Present this as a NSW scheme rule, not as an OMC default.
Keeping Capacity Evidence Current
Provide updated certificates to the relevant insurer or claim manager as required by the claim process. SIRA advises workers to keep their Certificate of Capacity current during recovery.
An outdated certificate can affect claims administration and may disrupt compensation payments, so follow the review date and instructions provided for the claim.
Dispute Resolution Processes in NSW
If there is disagreement about capacity, treatment, weekly payments or another claim decision, the issue may move through the NSW workers compensation review or dispute-resolution process.
A dispute is separate from the certificate itself. The worker should follow the notice or instructions from the insurer or claim manager and obtain appropriate advice where needed.
What Happens If the Insurer Questions the Certificate?
The insurer may seek clarification or additional medical information where the certificate does not provide enough information to manage the claim or understand current capacity.
Depending on the issue, further clinical assessment or another independent assessment may also form part of the claims process. This does not by itself determine the final outcome of the claim.
Possible next steps
- Clarification or additional clinical information
- Further medical assessment
- Review or formal dispute process where applicable
How Weekly Payments Connect to Capacity Evidence
The Certificate of Capacity helps the insurer make decisions about the worker's ability to work and entitlement to compensation.
Keeping the certificate current is therefore an important part of an ongoing claim, but payment decisions remain the responsibility of the insurer under the NSW scheme.
Continuity With the Treating Team
Continuity with the nominated treating doctor can help maintain a clear picture of recovery, treatment and overall work capacity across reviews.
Where an approved treating physiotherapist or psychologist issues a subsequent certificate within their scope, coordination with the broader treating team may still be important when multiple injuries or health issues affect capacity.
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What to Bring to Your NSW WorkCover Consult
Have your claim details, employer information, injury history, current work duties and information about treatment already received ready for the consultation.
If the claim manager has provided a Certificate of Capacity form, request, correspondence or specific question for the treating practitioner, have that available as well.
Bring these details
- Claim and insurer or claim-manager details
- Employer, role and current duties
- Injury, treatment and relevant clinical information
How the NSW Certificate Differs From a Sick Leave Certificate
A standard sick leave certificate generally addresses incapacity for work during a particular period.
The NSW Certificate of Capacity is designed for a workers compensation claim and includes more detailed information about injury or illness, treatment, functional capacity and capacity for work.
Communicating With Your Employer During a NSW Claim
Capacity information helps the employer understand what suitable work may be possible and supports recovery-at-work planning with the worker and insurer.
Clinical information should be limited to what is appropriate for the claim and certificate rather than unnecessarily disclosing unrelated medical history.
What If the Certificate Does Not Reflect Your Current Capacity?
Raise the concern with the practitioner who completed the assessment if the certificate appears to contain an error or no longer reflects your current symptoms or functional capacity.
Changes to capacity should be clinically reassessed rather than altered only because the worker, employer or insurer prefers a different outcome.
When Is the Next NSW Capacity Review?
The next review should reflect the worker's clinical circumstances, recovery progress and the period supported on the current Certificate of Capacity.
The NSW 28-day certificate rule described above does not mean every worker should automatically receive a 28-day certificate; the practitioner still needs to certify the clinically appropriate period.
Claim Decisions and Provisional Payments
The insurer manages liability and payment decisions under the NSW workers compensation process. The Certificate of Capacity supplies medical and work-capacity information but does not itself approve the claim or guarantee payment.
Follow the insurer or claim manager's correspondence for deadlines, provisional decisions and any additional information required.
Who manages your claim?
Do not assume every NSW claim is managed directly by icare. Follow the instructions from the insurer, claims service provider, specialised insurer or self-insurer identified for your claim.
Certificate Verification
Where OMC Health issues a document with OMC verification details, those details can be used to confirm that the OMC-issued document is genuine. This does not replace the NSW insurer's requirements for receiving and processing the official Certificate of Capacity.
Frequently asked questions
View all FAQsThis is set by your treating GP based on your recovery, typically ranging from a few weeks for a straightforward, improving injury to shorter intervals for more complex conditions needing closer monitoring.
You'll need a follow-up consult to renew it before the expiry date to avoid a gap in your certified capacity, which can affect your weekly payments if your certificate coverage lapses.
A medical practitioner must issue the first certificate in NSW. Later certificates may involve other treating health practitioners depending on your specific claim and ongoing treatment plan.
Yes, provided the GP is comfortable making the functional capacity assessment remotely. More complex claims or significant changes in capacity may need an in-person review instead.
A WorkCover certificate of capacity for NSW documents a work-related injury or illness for an icare workers' compensation claim. It's a different, more detailed document than a standard sick leave certificate, and only a registered medical practitioner can issue it.