ICD-10-CM · Chapter 4 · E00–E89
E70.9
Disorder of aromatic amino-acid metabolism, unspecified
Endocrine, nutritional and metabolic diseases
Quick facts
- Code
- E70.9
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 4 — Endocrine, nutritional and metabolic diseases
- Category
- E70 — Disorders of aromatic amino-acid metabolism
- Specificity
- 4 characters
How coders use this code
ICD-10-CM E70.9 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of disorder of aromatic amino-acid metabolism, unspecified. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in E70
- E70Disorders of aromatic amino-acid metabolism
- E70.0Classical phenylketonuria
- E70.1Other hyperphenylalaninemias
- E70.2Disorders of tyrosine metabolism
- E70.20Disorder of tyrosine metabolism, unspecified
- E70.21Tyrosinemia
- E70.29Other disorders of tyrosine metabolism
- E70.3Albinism
- E70.30Albinism, unspecified
- E70.31Ocular albinism
- E70.310X-linked ocular albinism
- E70.311Autosomal recessive ocular albinism
- E70.318Other ocular albinism
- E70.319Ocular albinism, unspecified
- E70.32Oculocutaneous albinism
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