Hematoma, retroperitoneal
Hemorrhage into peritoneal cavity
Intraperitoneal hemorrhage
Nontraumatic hemoperitoneum
Retroperitoneal hematoma
Accumulations of blood in the peritoneal cavity due to internal hemorrhage.
Bleeding originating from the peritoneum.
K66.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM K66.1 became effective on October 1, 2022.
This is the American ICD-10-CM version of K66.1 – other international versions of ICD-10 K66.1 may differ.