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ICD-10/S31.40

S31.40 ICD-10-CM Code: Unspecified open wound of vagina and vulva

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Unspecified open wound of vagina and vulva is a non-billable ICD-10-CM category code (S31.40). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for S31.40 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • 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

Excludes1 — Not Coded Here

Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

Code Also

Additional codes that may be required to fully describe the encounter.

  • any associated:
  • spinal cord injury (S24.0, S24.1-, S34.0-, S34.1-)
  • wound infection

Change history

No changes recorded for this code — unchanged since the FY2016 baseline of the change ledger.

Verify Before Coding

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.

Contextual Map

Every relationship of S31.40 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Hierarchy

  • S00-T88 — Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) (S00-T88) [Hierarchy]

Referenced by Use Additional Code instructions

  • S38.1 — Crushing injury of abdomen, lower back, and pelvis [Use Additional Code](via S31.-): “open wound of abdominal wall (S31.-)” · check together

Referenced by Code Also instructions

  • S34 — Injury of lumbar and sacral spinal cord and nerves at abdomen, lower back and pelvis level [Code Also](via S31.-): “open wound of abdomen, lower back and pelvis (S31.-)” · check together
  • S35 — Injury of blood vessels at abdomen, lower back and pelvis level [Code Also](via S31.-): “any associated open wound (S31.-)” · check together
  • S36 — Injury of intra-abdominal organs [Code Also](via S31.-): “any associated open wound (S31.-)” · check together
  • S37 — Injury of urinary and pelvic organs [Code Also](via S31.-): “any associated open wound (S31.-)” · check together
  • S39 — Other and unspecified injuries of abdomen, lower back, pelvis and external genitals [Code Also](via S31.-): “any associated open wound (S31.-)” · check together

Index entries

  • Injury, vagina, open wound[Index term]
  • Injury, vulva, open wound[Index term]
  • Wound, open, clitoris[Index term]
  • Wound, open, genital organs, external, female, vagina[Index term]
  • Wound, open, genital organs, external, female, vulva[Index term]
  • Wound, open, hymen[Index term]
  • Wound, open, vagina[Index term]
  • Wound, open, vulva[Index term]

Nearest codes (40)

  • S31 — Open wound of abdomen, lower back, pelvis and external genitals [Sibling]
  • S31.31XA — Laceration without foreign body of scrotum and testes, initial encounter [Sibling]
  • S31.31XD — Laceration without foreign body of scrotum and testes, subsequent encounter [Sibling]
  • S31.31XS — Laceration without foreign body of scrotum and testes, sequela [Sibling]
  • S31.32 — Laceration with foreign body of scrotum and testes [Sibling]
  • S31.32XA — Laceration with foreign body of scrotum and testes, initial encounter [Sibling]
  • S31.32XD — Laceration with foreign body of scrotum and testes, subsequent encounter [Sibling]
  • S31.32XS — Laceration with foreign body of scrotum and testes, sequela [Sibling]
  • and 32 more

Referenced by Other Codes

Official ICD-10-CM tabular notes on other codes that name S31.40 or its code family.

1 Use Additional Code instructions: S38.1 (via S31.-).

5 Code Also instructions: S34 (via S31.-), S35 (via S31.-), S36 (via S31.-), S37 (via S31.-), S39 (via S31.-).

Frequently Asked Questions (FAQ) & Clinical Guidance

Can S31.40 be billed directly?

No. S31.40 (Unspecified open wound of vagina and vulva) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does S31.40 require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category S31.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to S31.40 in its code family, with their registry titles.

  • S31.35 — Open bite of scrotum and testes
  • S31.35XA — Open bite of scrotum and testes, initial encounter
  • S31.35XD — Open bite of scrotum and testes, subsequent encounter
  • S31.35XS — Open bite of scrotum and testes, sequela
  • S31.4 — Open wound of vagina and vulva
  • S31.40XA — Unspecified open wound of vagina and vulva, initial encounter
  • S31.40XD — Unspecified open wound of vagina and vulva, subsequent encounter
  • S31.40XS — Unspecified open wound of vagina and vulva, sequela
  • S31.41 — Laceration without foreign body of vagina and vulva
  • S31.41XA — Laceration without foreign body of vagina and vulva, initial encounter

View all codes in the S31 family

Indexed Clinical Terms (8)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Injury, vagina, open wound
  • Injury, vulva, open wound
  • Wound, open, clitoris
  • Wound, open, genital organs, external, female, vagina
  • Wound, open, genital organs, external, female, vulva
  • Wound, open, hymen
  • Wound, open, vagina
  • Wound, open, vulva