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U.S. ICD-10-CM · FY 2027

S31.65A ICD-10-CM Code: Open bite of abdominal wall, unspecified flank with penetration into peritoneal cavity

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

S31.65A

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

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where S31.65A sits

  1. 1

    Chapter 19

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

  2. 2

    Section

    Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)

  3. 3

    Category S31

    Open wound of abdomen, lower back, pelvis and external genitals

  4. 4

    Subcategory S31.65

    Open bite of abdominal wall with penetration into peritoneal cavity

  5. 5

    Code S31.65A

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

More specific choices

Codes under S31.65A

S31.65A is a non-billable category. Choose the child code that best matches the documented diagnosis.

S31.65AA

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

S31.65AD

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

S31.65AS

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

Documentation details

Notes for this code

Inclusion terms

  • Open bite of abdominal wall, flank NOS, with penetration into peritoneal cavity

Code first

No “code first” instruction is listed for S31.65A.

Use additional code

No “use additional code” instruction is listed for S31.65A.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for S31.65A.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for S31.65A.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code S31.65A mean?

S31.65A is the FY 2027 U.S. ICD-10-CM code for “Open bite of abdominal wall, unspecified flank with penetration into peritoneal cavity.”

Is S31.65A a billable or specific ICD-10-CM code?

No. S31.65A has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is S31.65A located in ICD-10-CM?

S31.65A is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39) (S30–S39), under category S31, Open wound of abdomen, lower back, pelvis and external genitals and subcategory S31.65, Open bite of abdominal wall with penetration into peritoneal cavity.

What coding notes are listed for S31.65A?

Its listed inclusion terms are Open bite of abdominal wall, flank NOS, with penetration into peritoneal cavity. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

Keep exploring

Related S31.65 codes

S31.650

Open bite of abdominal wall, right upper quadrant with penetration into peritoneal cavity

S31.651

Open bite of abdominal wall, left upper quadrant with penetration into peritoneal cavity

S31.652

Open bite of abdominal wall, epigastric region with penetration into peritoneal cavity

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