S66.118
S66.118: Strain of flexor muscle, fascia and tendon of other finger at wrist and hand level
Non-billable headerICD-10-CM
S66.118 is a non-billable header ICD-10-CM code for strain of flexor muscle, fascia and tendon of other finger 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
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Strain of flexor muscle, fascia and tendon of specified finger with unspecified laterality at wrist and hand level
Excludes2 inherited from the categories above S66.118
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.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead S66.118
3 child codes. Green means billable.
- S66.118AStrain of flexor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
- S66.118DStrain of flexor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
- S66.118SStrain of flexor muscle, fascia and tendon of other finger at wrist and hand level, sequela
Other codes under S66.11
- S66.110Strain of flexor muscle, fascia and tendon of right index finger at wrist and hand level
- S66.111Strain of flexor muscle, fascia and tendon of left index finger at wrist and hand level
- S66.112Strain of flexor muscle, fascia and tendon of right middle finger at wrist and hand level
- S66.113Strain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level
- S66.114Strain of flexor muscle, fascia and tendon of right ring finger at wrist and hand level
- S66.115Strain of flexor muscle, fascia and tendon of left ring finger at wrist and hand level
- S66.116Strain of flexor muscle, fascia and tendon of right little finger at wrist and hand level
- S66.117Strain of flexor muscle, fascia and tendon of left little finger at wrist and hand level
- S66.119Strain of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level