ICD-10-CM > S00-T88 > T20-T25 > T22 > T22.2 > T22.24 > T22.249 T22.249 Burn of second degree of unspecified axilla Non-Billable/Non-Specific Codes T22.249A..., initial encounterT22.249D..., subsequent encounterT22.249S..., sequela