ICD-10-CM > S00-T88 > T79-T79 > T79 > T79.A > T79.A1 > T79.A11 T79.A11 Traumatic compartment syndrome of right upper extremity Non-Billable/Non-Specific Codes T79.A11A..., initial encounterT79.A11D..., subsequent encounterT79.A11S..., sequela