ICD-10-CM > S00-T88 > T20-T25 > T22 > T22.1 > T22.13 T22.13 Burn of first degree of upper arm Non-Billable/Non-Specific Codes T22.131Burn of first degree of right upper armT22.131A..., initial encounterT22.131D..., subsequent encounterT22.131S..., sequelaT22.132Burn of first degree of left upper armT22.132A..., initial encounterT22.132D..., subsequent encounterT22.132S..., sequelaT22.139Burn of first degree of unspecified upper armT22.139A..., initial encounterT22.139D..., subsequent encounterT22.139S..., sequela