What documentation is typically required to support a prior authorization request?

• A. Billing statements and patient demographics only.
• B. Pharmacy records only.
• C. Clinical notes, test results, treatment plan, and justification of medical necessity.
• D. Insurance card and driver's license.

Answer: (C)

Prior authorization hinges on proving that the requested service or medication is medically necessary and appropriate for the patient. To make that determination, the payer needs comprehensive clinical information that shows the patient’s condition, prior management, and the rationale for the new treatment.

The best documentation includes clinical notes that describe the patient’s history, current symptoms, and physical findings; relevant test results or imaging that establish the diagnosis and its severity; a clear treatment plan outlining what is being requested and how it addresses the patient’s condition; and a thorough justification of medical necessity, often tying the request to clinical guidelines, the patient’s prior therapies, and the expected benefits versus risks. This combination provides the payer with the full context to evaluate coverage.

Billing statements and patient demographics alone don’t demonstrate medical necessity. They show billing history or who the patient is, but not why the service is needed. Pharmacy records indicate what was dispensed previously, not the clinical reasoning for a new prescription. An insurance card and driver's license verify identity and eligibility, not medical justification.