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Home / ICD-10-CM / Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88) / Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)

S31.61A: Laceration without foreign body of abdominal wall, unspecified flank with penetration into peritoneal cavity

ICD-10-CM code S31.61A

New code · FY2026

Not billable: this is a header. Use one of the more specific codes below.

New code, effective October 1, 2025 (FY2026).

Code breakdown

S31.61A

S31CategoryOpen wound of abdomen, lower back, pelvis and external genitals
6Character 4Open wound of abdominal wall with penetration into peritoneal cavity
1Character 5Laceration without foreign body of abdominal wall with penetration into peritoneal cavity
ACharacter 6Laceration without foreign body of abdominal wall, unspecified flank with penetration into peritoneal cavity

Coding notes

Inclusion terms

Laceration without foreign body of abdominal wall of flank NOS, with penetration into peritoneal cavity

Excludes1 (from S31)

traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3)

Excludes2 (from S31)

open wound of hip (S71.00-S71.02)
open fracture of pelvis (S32.1--S32.9 with 7th character B)

Code also (from S31)

any associated:
spinal cord injury (S24.0, S24.1-, S34.0-, S34.1-)
wound infection

7th character (from S31)

The appropriate 7th character is to be added to each code from category S31

7th characters (category S31)

A initial encounter
D subsequent encounter
S sequela

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All FY2026 ICD-10-CM changes

ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.