Alphabetic Index · main term
Methemoglobinemia
At the main termD74.9
Methemoglobinemia is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). The Index lists D74.9 for the term on its own. It has 6 subterms and 7 code entries. First-level subterms include acquired, congenital, enzymatic, Hb M disease, hereditary, toxic. Confirm any code you find here in the Tabular List before you report it.