E88.4
Mitochondrial metabolism disorders
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 14 never code together
E88.4code
E70-E88block
E00-E89chapter
Excludes1
- transitory endocrine and metabolic disorders specific to newborn (P70-P74)P70-P74
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 2
E88code
Use additional code
- codes for associated conditions
E00-E89chapter
Notes
- All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.E05.8E07.0E16-E31E34.-
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 7 same parent — E88
E88.0 Disorders of plasma-protein metabolism, NEC category E88.1 Lipodystrophy, not elsewhere classified category E88.2 Lipomatosis, not elsewhere classified E88.3 Tumor lysis syndrome E88.8 Other specified metabolic disorders category E88.9 Metabolic disorder, unspecified E88.A Wasting disease (syndrome) due to underlying condition
Subordinate codes 5
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.