ICD-10-CM > S00-T88 > T20-T25 > T22 > T22.3 > T22.34 > T22.349 T22.349 Burn of third degree of unspecified axilla Non-Billable/Non-Specific Codes T22.349A..., initial encounterT22.349D..., subsequent encounterT22.349S..., sequela