S31
Non-billableOpn wnd abdomen, lower back, pelvis and external genitals
Open wound of abdomen, lower back, pelvis and external genitals
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included 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
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •burns and corrosionsT20-T32
- •effects of foreign body in anus and rectumT18.5
- •effects of foreign body in genitourinary tractT19
- •effects of foreign body in stomach, small intestine and colonT18.2-T18.4
- •frostbiteT33-T34
- •insect bite or sting, venomousT63.4
- •open wound of hipS71.00-S71.02
- •open fracture of pelvis- with 7th character B)S32.1, S32.9
Use Additional Code
Additional codes that should follow this code
Code Also
A second code may be required; sequencing depends on circumstances
- any associated:
- •spinal cord injury, , ,S24.0, S24.1, S34.0, S34.1
- wound infection
7th Character Definitions
- A - initial encounter
- D - subsequent encounter
- S - sequela
Child Codes (8)
S31.0Open wound of lower back and pelvis
S31.1Open wound of abdominal wall w/o penetration into perit cav
S31.2Open wound of penis
S31.3Open wound of scrotum and testes
S31.4Open wound of vagina and vulva
S31.5Open wound of unspecified external genital organs
S31.6Open wound of abdominal wall w penetration into perit cav
S31.8Open wound of other parts of abdomen, lower back and pelvis
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for opn wnd abdomen, lower back, pelvis and external genitals?
The ICD-10-CM code for opn wnd abdomen, lower back, pelvis and external genitals is S31. The full clinical description is "Open wound of abdomen, lower back, pelvis and external genitals". S31 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code S31 mean?
ICD-10-CM code S31 represents “Open wound of abdomen, lower back, pelvis and external genitals”. It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a non-billable header code. Use a more specific child code for billing purposes.
Is S31 a billable code?
No, S31 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 8 child codes under S31.
What chapter is S31 in?
S31 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with S31?
S31 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71); traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3).
What are the subcategories under S31?
S31 has 8 child codes, including: S31.0 (Open wound of lower back and pelvis), S31.1 (Open wound of abdominal wall w/o penetration into perit cav), S31.2 (Open wound of penis), S31.3 (Open wound of scrotum and testes), and 4 more.
Are additional codes required with S31?
Yes, when using S31, also report: any retained foreign body, if applicable (Z18.-).
What are the UMLS CUIs for S31?
S31 is linked to 1 UMLS Concept Unique Identifier: C2836800. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does S31 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like opn wnd abdomen, lower back, pelvis and external genitals affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of S31?
S31 maps to the ICD-11 code: NB51.Z (Open wound of abdomen, lower back or pelvis, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.