Insurance Claim AppealsGlobal
Appeal Deadlines: How Long Do You Have to Challenge a Denied Claim?
Appeal deadlines are hard — miss them and you may lose your right to challenge. Here's how long you have to appeal in the UAE, UK, Canada, Australia, and globally.
HealthPlan Advise·4 min read·2 June 2026
Why Deadlines Matter
Health insurance appeal deadlines are binding. Miss the deadline and the insurer is typically not obligated to accept your appeal, regardless of its merit. Acting quickly is one of the most important things you can do after receiving a denial.
Appeal Deadlines by Market
| Market | Internal Appeal | Regulator / Ombudsman |
|---|---|---|
| UAE (DHA / CBUAE) | 30–60 days from denial letter | SANADAK: file after insurer response or 15 business days |
| United Kingdom | Within the complaint window (check policy) | FOS: 6 months from final insurer response |
| Canada (provincial plans) | 90 days typically (varies by province and insurer) | OmbudService for Life & Health Insurance (OLHI) |
| Australia | Check policy (usually 30–60 days) | AFCA: 2 years from insurer decision |
| USA | 180 days for internal appeals under ACA | External Independent Review: 4 months from internal denial |
What to Do Immediately After a Denial
- Note the date on the denial letter and calculate your appeal deadline
- Request the full written denial with policy clause cited
- Begin gathering clinical documentation from your provider
- Submit an acknowledgement to the insurer stating your intention to appeal (this creates a record and may pause the clock in some markets)
Do not wait until you have all your documentation before contacting the insurer. Acknowledge the dispute in writing immediately, then build your case. HealthPlan Advise can help you build and submit your appeal quickly — from $10.
Ready to challenge your denial?
A physician reviews your case and delivers a clinical analysis report and ready-to-send appeal letter — from $10.