S56.999
S56.999: Other injury of unspecified muscles, fascia and tendons at forearm level, unspecified arm
Non-billable headerICD-10-CMunspecified
S56.999 is a non-billable header ICD-10-CM code for other injury of unspecified muscles, fascia and tendons at forearm level, unspecified arm. 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 S56.999
3 child codes. Green means billable.
- S56.999AOther injury of unspecified muscles, fascia and tendons at forearm level, unspecified arm, initial encounter
- S56.999DOther injury of unspecified muscles, fascia and tendons at forearm level, unspecified arm, subsequent encounter
- S56.999SOther injury of unspecified muscles, fascia and tendons at forearm level, unspecified arm, sequela