E70.40Billable
Disorders of histidine metabolism, unspecified
- Chapter
- 4. Endocrine, nutritional and metabolic diseases
- Category
- E70
- Effective date
- October 1, 2026
Related codes in category E70
E70Disorders of aromatic amino-acid metabolismE70.0Classical phenylketonuriaYesE70.1Other hyperphenylalaninemiasYesE70.2Disorders of tyrosine metabolismE70.20Disorder of tyrosine metabolism, unspecifiedYesE70.21TyrosinemiaYesE70.29Other disorders of tyrosine metabolismYesE70.3AlbinismE70.30Albinism, unspecifiedYesE70.31Ocular albinismE70.310X-linked ocular albinismYesE70.311Autosomal recessive ocular albinismYes
Frequently asked questions
What is ICD-10 code E70.40?
E70.40 is an ICD-10-CM diagnosis code for Disorders of histidine metabolism, unspecified.
Is E70.40 a billable code?
Yes. E70.40 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is E70.40 in?
E70.40 falls under Chapter 4: Endocrine, nutritional and metabolic diseases.
When did E70.40 become effective?
E70.40 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to E70.40?
E70.40 belongs to category E70, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.