ICD-10-CM > S00-T88 > T20-T25 > T22 > T22.1 > T22.14 > T22.149 T22.149 Burn of first degree of unspecified axilla Non-Billable/Non-Specific Codes T22.149A..., initial encounterT22.149D..., subsequent encounterT22.149S..., sequela