Hematemesis

Hematemesis is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). The Index lists K92.0 for the term on its own. It has 3 subterms and 4 code entries. First-level subterms include with ulcer - code by site under Ulcer, with hemorrhage, newborn, neonatal. Confirm any code you find here in the Tabular List before you report it.