ICD-10 Code for Hemoperitoneum

The ICD-10-CM code for hemoperitoneum is K66.1 — Hemoperitoneum. This is the code the Alphabetic Index gives for hemoperitoneum with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

Billable

Which hemoperitoneum code should you use?

The Alphabetic Index lists 3 codes under Hemoperitoneum. 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

infectionalK65.9Peritonitis, unspecified
traumaticS36.899Not billableUnspecified injury of other intra-abdominal organs

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