S31.051
S31.051: Open bite of lower back and pelvis with penetration into retroperitoneum
Non-billable headerICD-10-CM
S31.051 is a non-billable header ICD-10-CM code for open bite of lower back and pelvis with 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
Excludes1 inherited from the categories above S31.051
A category’s note binds every code beneath it.
Written on S31.05: Open bite of lower back and pelvis
Excludes2 inherited from the categories above S31.051
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
- Bite›pelvis›with penetration into retroperitoneal space
- Bite›back›lower›with penetration into retroperitoneal space
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead S31.051
3 child codes. Green means billable.