S31.65A
Open bite of abdominal wall, unspecified flank with penetration into peritoneal cavity
Choose the additional character
S31.65A needs more characters to be billable. Pick the specific code below.
- S31.65AAOpen bite of abdominal wall, unspecified flank with penetration into peritoneal cavity, initial encounterBillable
- S31.65ADOpen bite of abdominal wall, unspecified flank with penetration into peritoneal cavity, subsequent encounterBillable
- S31.65ASOpen bite of abdominal wall, unspecified flank with penetration into peritoneal cavity, sequelaBillable
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
Open bite of abdominal wall, flank NOS, with penetration into peritoneal cavity
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 S31.65A
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 S31.65A
Sections whose FY 2026 text names S31.65A, its S31 category, or a range containing it — the chapter guidance above is the authoritative source.
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