Prior authorization (PA)

Coverage barriers, FDA enforcement, and the off-label vs on-label distinction.

Definition

Insurance requirement that a prescriber submit clinical justification before a medication will be covered. Common for GLP-1 weight-loss drugs given the high list price; turnaround typically 24-72 hours.

GLP-1 prior auth letter generator (tool) →

Definition curated by Weight Loss Rankings — sourced from FDA labels and peer-reviewed PubMed literature, never AI-generated summaries.

Related terms in Insurance and regulatory

FDA Warning Letter
Step therapy
Off-label use
FDA Drug Shortage List

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