ICD-10-CM > S00-T88 > S60-S69 > S66 > S66.5 > S66.50 S66.50 Unspecified injury of intrinsic muscle, fascia and tendon of other and unspecified finger at wrist and hand level Non-Billable/Non-Specific Codes S66.500Unspecified injury of intrinsic muscle, fascia and tendon of right index finger at wrist and hand levelS66.500A..., initial encounterS66.500D..., subsequent encounterS66.500S..., sequelaS66.501Unspecified injury of intrinsic muscle, fascia and tendon of left index finger at wrist and hand levelS66.501A..., initial encounterS66.501D..., subsequent encounterS66.501S..., sequelaS66.502Unspecified injury of intrinsic muscle, fascia and tendon of right middle finger at wrist and hand levelS66.502A..., initial encounterS66.502D..., subsequent encounterS66.502S..., sequelaS66.503Unspecified injury of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand levelS66.503A..., initial encounterS66.503D..., subsequent encounterS66.503S..., sequelaS66.504Unspecified injury of intrinsic muscle, fascia and tendon of right ring finger at wrist and hand levelS66.504A..., initial encounterS66.504D..., subsequent encounterS66.504S..., sequelaS66.505Unspecified injury of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand levelS66.505A..., initial encounterS66.505D..., subsequent encounterS66.505S..., sequelaS66.506Unspecified injury of intrinsic muscle, fascia and tendon of right little finger at wrist and hand levelS66.506A..., initial encounterS66.506D..., subsequent encounterS66.506S..., sequelaS66.507Unspecified injury of intrinsic muscle, fascia and tendon of left little finger at wrist and hand levelS66.507A..., initial encounterS66.507D..., subsequent encounterS66.507S..., sequelaS66.508Unspecified injury of intrinsic muscle, fascia and tendon of other finger at wrist and hand levelS66.508A..., initial encounterS66.508D..., subsequent encounterS66.508S..., sequelaS66.509Unspecified injury of intrinsic muscle, fascia and tendon of unspecified finger at wrist and hand levelS66.509A..., initial encounterS66.509D..., subsequent encounterS66.509S..., sequela