Sephience (sepiapterin) — Highmark
Phenylketonuria (PKU)
Preferred products
- generic sapropterin dihydrochloride
 
Initial criteria
- age ≥ 1 month
 - diagnosis of PKU (ICD-10: E70.0)
 - member is on a Phe-restrictive diet
 - documented baseline phenylalanine (Phe) level > 6 mg/dL (360 μM/L)
 - clinical documentation of member’s current weight
 - dose does not exceed 60 mg/kg/day
 - member has experienced therapeutic failure or intolerance to plan-preferred generic sapropterin dihydrochloride
 - not used in combination with Palynziq (pegvaliase-pqpz)
 
Reauthorization criteria
- initial therapy has resulted in a 30% or greater decrease in blood Phe levels from baseline OR blood Phe levels within 2–6 mg/dL (120–360 μM/L)
 - member is on a Phe-restrictive diet
 - clinical documentation of member’s current weight
 - dose does not exceed 60 mg/kg/day
 - not used in combination with Palynziq (pegvaliase-pqpz)
 
Approval duration
initial: up to 3 months; reauthorization: up to 12 months