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Carbaglu (carglumic acid)Medica

N-acetylglutamate synthase (NAGS) deficiency with hyperammonemia

Initial criteria

  • Diagnosis is supported by ONE of the following (A or B):
  • A) Genetic testing confirmed a mutation leading to N-acetylglutamate synthase deficiency; OR
  • B) The patient has hyperammonemia diagnosed with an ammonia level above the upper limit of the normal reference range for the reporting laboratory
  • The medication is prescribed in conjunction with a protein-restricted diet
  • The medication is prescribed by or in consultation with a metabolic disease specialist (or specialist who focuses in the treatment of metabolic diseases)

Approval duration

1 year if confirmed by genetic testing; 3 months if based on ammonia level only