All ICD10 Codes

S31.65AA

Billable
ChapterS00–T88
Ranksubcategory
Official Description

Open bite of abdominal wall, unspecified flank with penetration into peritoneal cavity, initial encounter

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).
General instructions are available for the parent sections:
View CH19 NotesView S30-S39 NotesView S31 NotesView S31.65 NotesView S31.65A Notes

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
S30-S39Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)
S31Open wound of abdomen, lower back, pelvis and external genitals
S31.6Open wound of abdominal wall with penetration into peritoneal cavity
S31.65Open bite of abdominal wall with penetration into peritoneal cavity
S31.65AOpen bite of abdominal wall, unspecified flank with penetration into peritoneal cavity
S31.65AAOpen bite of abdominal wall, unspecified flank with penetration into peritoneal cavity, initial encounterBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S31.65AA:

subcategoryS31.65A
Open bite of abdominal wall, unspecified flank with penetration into peritoneal cavity
View context instructions
subcategoryS31.65
Open bite of abdominal wall with penetration into peritoneal cavity
View context instructions
categoryS31
Open wound of abdomen, lower back, pelvis and external genitals
View context instructions
blockS30-S39
Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

Code History

  • FY 2025: This code replaced S31.659A (Open bite of abdominal wall, unspecified quadrant with penetration into peritoneal cavity, initial encounter)

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 393
Other Digestive System Diagnoses with MCC
DRG 394
Other Digestive System Diagnoses with CC
DRG 395
Other Digestive System Diagnoses without CC/MCC
DRG 963
Other Multiple Significant Trauma with MCC
DRG 964
Other Multiple Significant Trauma with CC
DRG 965
Other Multiple Significant Trauma without CC/MCC

Cross Reference

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