S31.000
S31.000: Unspecified open wound of lower back and pelvis without penetration into retroperitoneum
Non-billable headerICD-10-CM
S31.000 is a non-billable header ICD-10-CM code for unspecified open wound of lower back and pelvis without penetration into retroperitoneum. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category S31
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Unspecified open wound of lower back and pelvis NOS
Excludes1 inherited from the categories above S31.000
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above S31.000
Not part of this code, but both may be coded when both are present.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Wound, open›back›lower
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead S31.000
3 child codes. Green means billable.
- S31.000AUnspecified open wound of lower back and pelvis without penetration into retroperitoneum, initial encounter
- S31.000DUnspecified open wound of lower back and pelvis without penetration into retroperitoneum, subsequent encounter
- S31.000SUnspecified open wound of lower back and pelvis without penetration into retroperitoneum, sequela