S66.011
S66.011: Strain of long flexor muscle, fascia and tendon of right thumb at wrist and hand level
Non-billable headerICD-10-CMright
S66.011 is a non-billable header ICD-10-CM code for strain of long flexor muscle, fascia and tendon of right thumb at wrist and hand 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 S66
- 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 S66.011
3 child codes. Green means billable.
- S66.011AStrain of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
- S66.011DStrain of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
- S66.011SStrain of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, sequela