ICD-10-CM · Chapter 4 · E00–E89
E70.4
Disorders of histidine metabolism
Endocrine, nutritional and metabolic diseases
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- E70.4
- Type
- Category / header (non-billable)
- 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 E70.4 is a category (header) for disorders of histidine metabolism. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
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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