Hypergammaglobulinemia

Hypergammaglobulinemia is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). The Index lists D89.2 for the term on its own. It has 2 subterms and 3 code entries. First-level subterms include polyclonal, Waldenström. Confirm any code you find here in the Tabular List before you report it.