S31.65
Open bite of abdominal wall with penetration into peritoneal cavity
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S31.65 needs more characters to be billable. Pick the specific code below.
- S31.650Open bite of abdominal wall, right upper quadrant with penetration into peritoneal cavityMore levels
- S31.651Open bite of abdominal wall, left upper quadrant with penetration into peritoneal cavityMore levels
- S31.652Open bite of abdominal wall, epigastric region with penetration into peritoneal cavityMore levels
- S31.653Open bite of abdominal wall, right lower quadrant with penetration into peritoneal cavityMore levels
- S31.654Open bite of abdominal wall, left lower quadrant with penetration into peritoneal cavityMore levels
- S31.655Open bite of abdominal wall, periumbilic region with penetration into peritoneal cavityMore levels
- S31.656Open bite of abdominal wall, right flank with penetration into peritoneal cavityMore levels
- S31.657Open bite of abdominal wall, left flank with penetration into peritoneal cavityMore levels
- S31.659Open bite of abdominal wall, unspecified quadrant with penetration into peritoneal cavityMore levels
- S31.65AOpen bite of abdominal wall, unspecified flank with penetration into peritoneal cavityMore levels
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
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
code to identify any retained foreign body, if applicable (Z18.-)
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. (T07-T88) Injury, poisoning and certain other consequences of external causes (T07-T88) (T20-T32) Burns and corrosions (T20-T32) Includes: burns (thermal) from electrical heating appliances burns (thermal) from electricity burns (thermal) from flame burns (thermal) from friction burns (thermal) from hot air and hot gases burns (thermal) from hot objects burns (thermal) from lightning burns (thermal) from radiation chemical burn [corrosion] (external) (internal) scalds Excludes2: erythema [dermatitis] ab igne (L59.0) radiation-related disorders of the skin and subcutaneous tissue (L55-L59) sunburn (L55.-)
Official Guidelines for S31.65
FY 2026 ›Subsections
- I.C.19.aApplication of 7th Characters in Chapter 19
- I.C.19.bCoding of Injuries
- I.C.19.cCoding of Traumatic Fractures
- I.C.19.dCoding of Burns and Corrosions
- I.C.19.eAdverse Effects, Poisoning, Underdosing and Toxic Effects
- I.C.19.fAdult and child abuse, neglect and other maltreatment
- I.C.19.gComplications of care
Sections that reference S31.65
Sections whose FY 2026 text names S31.65, its S31 category, or a range containing it — the chapter guidance above is the authoritative source.