ICD-10-CM 2027
ICD-10 code for peritoneum injury
From the official ICD-10-CM alphabetic index entry “Injury › peritoneum”. Page updated September 29, 2026.
About coding peritoneum injury
The ICD-10-CM code for peritoneum injury is S36.81 (Injury of peritoneum). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on S36.81.
Within S36.8 (injury of other intra-abdominal organs), S36.81 is specifically for injury of peritoneum. Related codes cover other intra-abdominal organs (S36.89).
Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
More specific peritoneum injury codes (official index)
- laceration S36.893 — Laceration of other intra-abdominal organs
Common questions about peritoneum injury ICD-10 codes
What is the ICD-10 code for peritoneum injury?
- S36.81 — Injury of peritoneum (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: S36.893.
What is the ICD-10 code for laceration peritoneum injury?
- S36.893 — Laceration of other intra-abdominal organs (header code; choose a more specific subcode).
Is S36.81 billable?
- No. S36.81 is a header code. Report one of its more specific subcodes instead.