ICD-10 Code for Hematemesis

The ICD-10-CM code for hematemesis is K92.0 — Hematemesis. This is the code the Alphabetic Index gives for hematemesis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

Billable

Which hematemesis code should you use?

The Alphabetic Index lists 4 codes under Hematemesis. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.

By type

with ulcer - code by site under Ulcer, with hemorrhage	K27.4	Chronic or unspecified peptic ulcer, site unspecified, with hemorrhage
newborn, neonatal	P54.0	Neonatal hematemesis

Hematemesis newborn, neonatal

due to swallowed maternal blood

P78.2

Neonatal hematemesis and melena due to swallowed maternal blood

Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources