Unspecified open wound of unspecified buttock, initial encounter
Billable / specific
S31.809A is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Includes (from S31)
- 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
- Note: Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- Note: The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Excludes1
Not coded here — never report together with this code.
Excludes2
Not included here — may be reported together when both conditions exist.
- birth trauma (P10-P15) (from S31)
- obstetric trauma (O70-O71) (from S31)
- burns and corrosions (T20-T32) (from S31)
- effects of foreign body in anus and rectum (T18.5) (from S31)
- effects of foreign body in genitourinary tract (T19.-) (from S31)
- effects of foreign body in stomach, small intestine and colon (T18.2-T18.4) (from S31)
- frostbite (T33-T34) (from S31)
- insect bite or sting, venomous (T63.4) (from S31)
- open wound of hip (S71.00-S71.02) (from S31)
- open fracture of pelvis (S32.1--S32.9 with 7th character B) (from S31)
Use additional code
Add a code to identify the following, if applicable.
Code also
An additional code may be needed.
7th character
The 7th character values that apply to this code (defined at S31). Use the placeholder "X" for missing positions.
| Character | Meaning |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
Parent code
- S31.809Unspecified open wound of unspecified buttockNeeds 7th char