S66.81 - Strain of other specified muscles, fascia and tendons at wrist and hand level S66.8 - Injury of other specified muscles, fascia and tendons at wrist and hand level S66.81 - Strain of other specified muscles, fascia and tendons at wrist and hand level S66.811 - Strain of other specified muscles, fascia and tendons at wrist and hand level, right hand S66.812 - Strain of other specified muscles, fascia and tendons at wrist and hand level, left hand S66.819 - Strain of other specified muscles, fascia and tendons at wrist and hand level, unspecified hand