ICD-10-CM > S00-T88 > S60-S69 > S66 > S66.9 > S66.92 S66.92 Laceration of unspecified muscle, fascia and tendon at wrist and hand level Non-Billable/Non-Specific Codes S66.921Laceration of unspecified muscle, fascia and tendon at wrist and hand level, right handS66.921A..., initial encounterS66.921D..., subsequent encounterS66.921S..., sequelaS66.922Laceration of unspecified muscle, fascia and tendon at wrist and hand level, left handS66.922A..., initial encounterS66.922D..., subsequent encounterS66.922S..., sequelaS66.929Laceration of unspecified muscle, fascia and tendon at wrist and hand level, unspecified handS66.929A..., initial encounterS66.929D..., subsequent encounterS66.929S..., sequela