How to Get Orfadin (nitisinone) Covered by Cigna in Michigan: Complete 2025 Guide to Prior Authorization, Appeals & Timelines
Quick Answer: To get Orfadin (nitisinone) covered by Cigna in Michigan, you need prior authorization with confirmed hereditary tyrosinemia type 1 diagnosis (ICD-10 E70.29), elevated succinylacetone labs, and a documented dietary management plan restricting tyrosine/phenylalanine. Standard approval takes up to 5 business days; expedited reviews within 24-72 hours.