E70.1
Billable codeOther hyperphenylalaninemias
The ICD-10 code for other hyperphenylalaninemias is E70.1.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- E70.0Classical phenylketonuria
- E70.2Disorders of tyrosine metabolismnon-billable header
- E70.3Albinismnon-billable header
- E70.4Disorders of histidine metabolismnon-billable header
- E70.5Disorders of tryptophan metabolism
- E70.8Other disorders of aromatic amino-acid metabolismnon-billable header
- E70.9Disorder of aromatic amino-acid metabolism, unspecified
- E70.1Other hyperphenylalaninemias
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2701Approximate match
Associated MS-DRGs
E70.1 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.