S31.60AA

Unspecified open wound of abdominal wall, unspecified flank with penetration into peritoneal cavity, initial encounter

Billable FY2026 2025-10-01 → 2026-09-30 FY2026–2027 only

This is the unspecified option. 2 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.

Exclusions 11 never code together

S31code

Excludes1

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

Excludes2

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

S30-S39block

Excludes2

burns and corrosions (T20-T32)T20-T32
effects of foreign body in anus and rectum (T18.5)T18.5
effects of foreign body in genitourinary tract (T19.-)T19.-
effects of foreign body in stomach, small intestine and colon (T18.2-T18.4)T18.2-T18.4
frostbite (T33-T34)T33-T34
insect bite or sting, venomous (T63.4)T63.4

S00-T88chapter

Excludes2

birth trauma (P10-P15)P10-P15
obstetric trauma (O70-O71)O70-O71

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

7th character 3

A initial encounter this code

D subsequent encounter

S sequela

Instructional notes 12

S31code

Code also

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

S30-S39block

Includes

injuries to the abdominal wall
injuries to the anus
injuries to the buttock
injuries to the external genitalia
injuries to the flank
injuries to the groin

S00-T88chapter

Notes

Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

Use additional code

code to identify any retained foreign body, if applicable (Z18.-)Z18.-

Index entries leading here 1 filed at S31.60A

The index files this at S31.60A. The tabular extends it — laterality, staging, or the 7th character — so these entries lead to the family rather than to S31.60AA exactly.

Wound, open T14.8
- flank S31.10A
  - with penetration into peritoneal cavity S31.60A

Alongside this code 2 same parent — S31.60A

S31.60AD Unsp opn wnd abd wall, unsp flank with penet perit cav, subs S31.60AS Unsp opn wnd abd wall, unsp flank with penet perit cav, sqla

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable: yes
Code set: FY2026
Parent: S31.60A
Block: S30-S39
Siblings: 2

Present FY2026–FY2027.