ICD-10-CM > S00-T88 > T20-T25 > T22 > T22.5 > T22.54 > T22.541 T22.541 Corrosion of first degree of right axilla Non-Billable/Non-Specific Codes T22.541A..., initial encounterT22.541D..., subsequent encounterT22.541S..., sequela