U.S. ICD-10-CM · FY 2027

S31 ICD-10-CM Code: Open wound of abdomen, lower back, pelvis and external genitals

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

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

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

Classification

Where S31 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

    Code S31

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

More specific choices

Codes under S31

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

S31.0

Open wound of lower back and pelvis

S31.1

Open wound of abdominal wall without penetration into peritoneal cavity

S31.2

Open wound of penis

S31.3

Open wound of scrotum and testes

S31.4

Open wound of vagina and vulva

S31.5

Open wound of unspecified external genital organs

S31.6

Open wound of abdominal wall with penetration into peritoneal cavity

S31.8

Open wound of other parts of abdomen, lower back and pelvis

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for S31.

Code first

No “code first” instruction is listed for S31.

Use additional code

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

Excludes1

Conditions that should not be reported together with this code.

  • traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3)

Excludes2

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

  • open wound of hip (S71.00-S71.02)
  • open fracture of pelvis (S32.1--S32.9 with 7th character B)

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 mean?

S31 is the FY 2027 U.S. ICD-10-CM code for “Open wound of abdomen, lower back, pelvis and external genitals.”

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

No. S31 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 located in ICD-10-CM?

S31 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.

What coding notes are listed for S31?

No inclusion terms are listed for S31 in this reference record. No code-first instruction is listed. Excludes1 notes: traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3). Excludes2 notes: open wound of hip (S71.00-S71.02); open fracture of pelvis (S32.1--S32.9 with 7th character B).

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