ICD-10-CM > E00-E89 > E70-E88 > E70 > E70.2 E70.2 Disorders of tyrosine metabolism Non-Billable/Non-Specific Type 1 Excludes transitory tyrosinemia of newborn (P74.5) Codes E70.20Disorder of tyrosine metabolism, unspecifiedE70.21TyrosinemiaE70.29Other disorders of tyrosine metabolism