E88.40Billable

Mitochondrial metabolism disorder, unspecified

Chapter
4. Endocrine, nutritional and metabolic diseases
Category
E88
Effective date
October 1, 2026

Related codes in category E88

Frequently asked questions

What is ICD-10 code E88.40?

E88.40 is an ICD-10-CM diagnosis code for Mitochondrial metabolism disorder, unspecified.

Is E88.40 a billable code?

Yes. E88.40 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is E88.40 in?

E88.40 falls under Chapter 4: Endocrine, nutritional and metabolic diseases.

When did E88.40 become effective?

E88.40 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to E88.40?

E88.40 belongs to category E88, 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.