Why would I get denied health insurance?


Editorial team Published on

Health insurance claims are typically rejected or denied due to administrative errors, missing approvals, or coverage exclusions.

Common Rejection Reasons

  • Lack of Medical Necessity: The insurer decides the treatment or test does not meet their internal medical guidelines or is not appropriate for your condition.
  • Missing Prior Authorization: The service required approval from the insurance company before you received the care, but it was never requested.
  • Out-of-Network Care: You received treatment from a doctor or hospital that does not participate in your plan’s network.
  • Coding and Billing Errors: Mistakes on the claim form—such as an incorrect medical code, typo, or duplicate submission—cause an automatic rejection.
  • Waiting Periods and Exclusions: The treatment is for a pre-existing condition not yet covered or falls under an explicit policy exclusion (like cosmetic procedures).
  • Missed Deadlines: The doctor's office or hospital submitted the claim past the required filing time frame.

You can learn more about managing these decisions through the Patient Advocate Foundation or read about filing an Internal Appeal and External Review via HealthCare.gov.