Why NDIS Claims Get Rejected (and How to Fix Them)
Why your NDIS claim gets rejected — the top causes, how to fix each one fast, and how to stop rejections before they hit your cash flow.
The short answer: why claims fail
Insufficient funds is the number one cause
Expired or not-yet-active plans
Wrong line item or a price above the limit
Claiming the wrong type of support
Authorisation gaps: service agreements and consent
Submission and PRODA errors
The 90-day window changes the stakes
Prove and pay: rejections move earlier
How to fix a rejected claim, step by step
Prevent rejections before they happen
When to escalate
Frequently asked questions
How long do I have to resubmit a rejected NDIS claim?
Under current rules providers have had up to two years, but a 90-day claim window is proposed from 1 December 2026 as part of the Securing the NDIS legislation (bill-dependent — confirm the commencement against the primary source). Once that applies, a rejected claim must be diagnosed, corrected and resubmitted within the window or the money is lost. Treat every rejection as time-critical rather than something to deal with later.
My claim was rejected for insufficient funds — can I bill the participant directly?
Not unless your service agreement clearly provides for it and the support falls outside the plan. For agency- and plan-managed participants you generally cannot charge them personally to cover an exhausted NDIS budget, and doing so can breach the agreement and sit poorly against the NDIS Code of Conduct. Contact the plan manager or support coordinator, confirm whether a review is coming, and agree the next steps in writing before delivering more.
Why does my claim say the line item is invalid?
Either the code doesn't exist, it doesn't match the support you actually delivered, or it's out of date for the service date. The 2026-27 PAPL applies from 1 July 2026, so codes and prices from the previous year can trigger this on claims spanning the changeover. Look up the current PAPL line item for the exact support and service date, then correct and resubmit.
Can I claim above the PAPL price limit if my costs are higher?
No. The PAPL price is a ceiling — you can charge at or below it, never above, and a claim priced over the limit is rejected. Your costs, including SCHADS award wages (roughly $31–$44/hr) and super rising to 12% from 1 July 2026, have to be covered within that cap. If a support is consistently unviable at the limit, the answer is reviewing your service mix and efficiency, not overcharging.
What records do I need to keep to avoid rejections and clawbacks?
Keep the signed service agreement, evidence of consent, contemporaneous case notes and timesheets, and a record of the plan dates and management type for each claim. As prove-and-pay digital claiming rolls out from July 2026, evidence must exist at the point of claim, and a seven-year retention duty is proposed (bill-dependent). Clean, dated records are both how you prevent rejections and how you defend a payment that's later questioned.