Current
S66 — Injury of muscle, fascia and tendon at wrist and hand level
Part of Chapter 19: Injury, poisoning and certain other consequences of external causes , block Injuries to the wrist, hand and fingers (S60-S69) .
Official Notes
Code Also
any associated open wound ( S61 .-)
Excludes2
sprain of joints and ligaments of wrist and hand ( S63 .-)
7th Character
The appropriate 7th character is to be added to each code from category S66
7th Character
A - initial encounter
7th Character
D - subsequent encounter
7th Character
S - sequela
Child Codes
- S66.0 Injury of long flexor muscle, fascia and tendon of thumb at wrist and hand level Has subcodes
- S66.1 Injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level Has subcodes
- S66.2 Injury of extensor muscle, fascia and tendon of thumb at wrist and hand level Has subcodes
- S66.3 Injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level Has subcodes
- S66.4 Injury of intrinsic muscle, fascia and tendon of thumb at wrist and hand level Has subcodes
- S66.5 Injury of intrinsic muscle, fascia and tendon of other and unspecified finger at wrist and hand level Has subcodes
- S66.8 Injury of other specified muscles, fascia and tendons at wrist and hand level Has subcodes
- S66.9 Injury of unspecified muscle, fascia and tendon at wrist and hand level Has subcodes
Referenced By
Official notes on these codes cite S66.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS