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)

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

ICD-10-CM code S31.61AS

New code ยท FY2026

Billable: use this code on claims.

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

Code breakdown

S31.61AS

  1. S31CategoryOpen wound of abdomen, lower back, pelvis and external genitals
  2. 6Character 4Open wound of abdominal wall with penetration into peritoneal cavity
  3. 1Character 5Laceration without foreign body of abdominal wall with penetration into peritoneal cavity
  4. ACharacter 6Laceration without foreign body of abdominal wall, unspecified flank with penetration into peritoneal cavity
  5. S7th charactersequela

Coding notes

Inclusion terms (from S31.61A)

  • 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

Medicare coverage

S31.61AS is listed as a covered diagnosis in 8 Medicare billing and coding articles:

  • A53057 Billing and Coding: Home Health Occupational Therapy
  • A53058 Billing and Coding: Home Health Physical Therapy
  • A53064 Billing and Coding: Outpatient Occupational Therapy
  • A53065 Billing and Coding: Outpatient Physical Therapy
  • A54767 Billing and Coding: Medicare Preventive Coverage for Certain Vaccines
  • A55909 Billing and Coding: Wound Care
  • A56421 Billing and Coding: CT of the Abdomen and Pelvis
  • A56580 Billing and Coding: Computerized Axial Tomography (CT), Thorax

Check this code

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.