Prior Authorization
Prior authorization denials happen when a service needed pre-approval but it wasn’t obtained before the service was performed. In some cases, retroactive authorization is possible.
- Medicare Denied Claim: Prior Authorization Expired
Medicare denied your claim because the prior authorization expired or did not match the service provided. Learn what this means, your options, and what to do next. - Medicare Denied Claim: Referral Missing or Invalid
Medicare denied your claim because a required referral was missing or invalid. Learn why this happens, how your provider can fix it, and whether you need to appeal. - Medicare Denied Prior Authorization Request
Your Medicare plan denied your prior authorization request for a service. Learn why prior auth requests get denied, how this differs from a claim denial, and how to appeal. - Medicare Denied: No Prior Authorization (Your Fix)
Medicare denied because your provider didn't get prior authorization. The bill often isn't yours — here's how to appeal and what to tell billing.