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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