ICD-10-CM > S00-T88 > T20-T25 > T22 > T22.3 > T22.31 T22.31 Burn of third degree of forearm Non-Billable/Non-Specific Codes T22.311Burn of third degree of right forearmT22.311A..., initial encounterT22.311D..., subsequent encounterT22.311S..., sequelaT22.312Burn of third degree of left forearmT22.312A..., initial encounterT22.312D..., subsequent encounterT22.312S..., sequelaT22.319Burn of third degree of unspecified forearmT22.319A..., initial encounterT22.319D..., subsequent encounterT22.319S..., sequela