ICD-10-CM Diagnosis Code (2025)
Official Description for S31
Open wound of abdomen, lower back, pelvis and external genitals
Coding Notes & Guidelines for S31
traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3)
superficial bite of lower back and pelvis (S30.860, S30.870)
superficial bite of abdominal wall (S30.871)
superficial bite of penis (S30.862, S30.872)
superficial bite of scrotum and testes (S30.863, S30.873)
injury to vagina and vulva during delivery (O70.-, O71.4)
superficial bite of vagina and vulva (S30.864, S30.874)
traumatic amputation of external genital organs (S38.21, S38.22)
superficial bite of unspecified external genital organs (S30.865, S30.866, S30.875, S30.876)
superficial bite of abdominal wall (S30.861, S30.871)
superficial bite of buttock (S30.870)
superficial bite of buttock (S30.870)
superficial bite of buttock (S30.870)
superficial bite of anus (S30.877)
- open wound of hip (S71.00-S71.02)
- open fracture of pelvis (S32.1--S32.9 with 7th character B)
open wound of abdominal wall with penetration into peritoneal cavity (S31.6-)
Unspecified open wound of lower back and pelvis NOS
Laceration without foreign body of lower back and pelvis NOS
Laceration with foreign body of lower back and pelvis NOS
Puncture wound without foreign body of lower back and pelvis NOS
Puncture wound with foreign body of lower back and pelvis NOS
Bite of lower back and pelvis NOS
Open bite of lower back and pelvis NOS
Open wound of abdominal wall NOS
Unspecified open wound of abdominal wall NOS
Bite of abdominal wall NOS
Bite of penis NOS
Bite of scrotum and testes NOS
Bite of vagina and vulva NOS
Bite of unspecified external genital organs NOS
Bite of buttock NOS
Bite of right buttock NOS
Bite of left buttock NOS
Bite of anus NOS
- any associated:
- spinal cord injury (S24.0, S24.1-, S34.0-, S34.1-)
- wound infection
The appropriate 7th character is to be added to each code from category S31
- A: initial encounter
- D: subsequent encounter
- S: sequela
Child Codes (More Specific Codes for S31):
About ICD-10-CM Code S31 (Open wound of abdomen)
ICD-10-CM code S31 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM S31 became effective on October 1, 2024.
This page provides detailed information about S31 - Open wound of abdomen, lower back, pelvis and external genitals. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Open wound of abdomen related to lower back, pelvis and external genitals.