E70.0
ICD-10BillableClassical phenylketonuria
Official ICD-10-CM descriptor (FY2026)
Classical phenylketonuria
E70.0 is valid for submission on a claim — CMS flags it as a billable, specific code.
Related codes in E70
- E70.1Other hyperphenylalaninemias
- E70.2Disorders of tyrosine metabolismcategory
- E70.3Albinismcategory
- E70.4Disorders of histidine metabolismcategory
- E70.5Disorders of tryptophan metabolism
- E70.8Other disorders of aromatic amino-acid metabolismcategory
- E70.9Disorder of aromatic amino-acid metabolism, unspecified
Where this code sits
- Parent code
- E70
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.