S66.513 - Strain of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level S66.5 - Injury of intrinsic muscle, fascia and tendon of other and unspecified finger at wrist and hand level S66.51 - Strain of intrinsic muscle, fascia and tendon of other and unspecified finger at wrist and hand level S66.513 - Strain of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level