S31.05: Open bite of lower back and pelvis
S31.05 is a non-billable header ICD-10-CM code for open bite of lower back and pelvis. 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: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Bite of lower back and pelvis NOS
Excludes1 inherited from the categories above S31.05
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above S31.05
Not part of this code, but both may be coded when both are present.
Other codes that can never be billed with S31.05
Their own Excludes1 notes name this code, so the conflict is not listed above.
- S30.87Other superficial bite of abdomen, lower back, pelvis and external genitals
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead S31.05
2 child codes. Green means billable.
Other codes under S31.0
- S31.00Unspecified open wound of lower back and pelvis
- S31.01Laceration without foreign body of lower back and pelvis
- S31.02Laceration with foreign body of lower back and pelvis
- S31.03Puncture wound without foreign body of lower back and pelvis
- S31.04Puncture wound with foreign body of lower back and pelvis