When is ICD-10 code S31.65 used?

Doctors, hospitals, and insurers may use ICD-10 code S31.65 when recording open bite of abdominal wall with penetration into peritoneal cavity in a standardized format. This entry may also act as a broader category that points toward more specific child codes.

Does ICD-10 code S31.65 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10

ICD-10 Code S31.65: Open bite of abdominal wall with penetration into peritoneal cavity

Name: ICD-10 Code S31.65: Open bite of abdominal wall with penetration into peritoneal cavity
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:33:49.984Z

S31.65 is an ICD-10 diagnosis entry used to group records related to Open bite of abdominal wall with penetration into peritoneal cavity. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

When is it used?

May be used when a clinician documents open bite of abdominal wall with penetration into peritoneal cavity in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter

19Injury, poisoning and certain other consequences of external causes (S00-T88)

block

S30-S39Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals

Official coding notes

Excludes1 (do not code together)

superficial bite of abdominal wall (S30.861, S30.871)

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

Emergency Medicine SpecialistOrthopedic Specialist

Sibling codes

S31.60Unspecified open wound of abdominal wall with penetration into peritoneal cavity S31.61Laceration without foreign body of abdominal wall with penetration into peritoneal cavity S31.62Laceration with foreign body of abdominal wall with penetration into peritoneal cavity S31.63Puncture wound without foreign body of abdominal wall with penetration into peritoneal cavity S31.64Puncture wound with foreign body of abdominal wall with penetration into peritoneal cavity

Coding guidelines

Common synonyms

Open bite of abdominal wall with penetration into peritoneal cavity

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.