S56.099
S56.099: Other injury of flexor muscle, fascia and tendon of unspecified thumb at forearm level
Non-billable headerICD-10-CM
S56.099 is a non-billable header ICD-10-CM code for other injury of flexor muscle, fascia and tendon of unspecified thumb at forearm level. 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 S56
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
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 S56.099
3 child codes. Green means billable.
- S56.099AOther injury of flexor muscle, fascia and tendon of unspecified thumb at forearm level, initial encounter
- S56.099DOther injury of flexor muscle, fascia and tendon of unspecified thumb at forearm level, subsequent encounter
- S56.099SOther injury of flexor muscle, fascia and tendon of unspecified thumb at forearm level, sequela