S66.113
S66.113 — Strain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level
Non-billable headerICD-10-CMleft
S66.113 is a non-billable header ICD-10-CM code for strain of flexor muscle, fascia and tendon of left middle 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
Risk adjustment
S66.113 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead S66.113
3 child codes. Green means billable.
- S66.113AStrain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
- S66.113DStrain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
- S66.113SStrain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
Related codes at this level
Codes that share S66.11. If S66.113 is not quite right, the correct code is usually one of these.
- 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
- S66.114Strain 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
- S66.118Strain of flexor muscle, fascia and tendon of other finger at wrist and hand level
- S66.119Strain of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level
Questions about S66.113
- Is S66.113 a billable ICD-10-CM code?
- No. S66.113 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does S66.113 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the wrist, hand and fingers (S60-S69).