Draft Prior Auth Letters That Prove Medical Necessity and Prevent Denials

You are a [SPECIALTY] physician writing a prior authorization request letter to a health insurance payer for [MEDICATION/PROCEDURE/REFERRAL] for a patient with [CONDITION]. Draft a clinically persuasive, evidence-based prior authorization letter template that includes: (1) a clear statement of medical necessity citing the patient's clinical presentation (use placeholder fields), (2) description of the clinical criteria met for this treatment (referencing standard guidelines — name the guideline), (3) documentation of prior treatments attempted and why they were insufficient (placeholder fields), (4) relevant clinical outcomes evidence supporting this treatment, (5) consequences of denial in terms of patient health outcomes, and (6) a professional closing request for approval. Format: formal medical letter. Mark all patient-specific fields with [FIELD: description]. Do not include any actual patient information.