ICD-10-CM > S00-T88 > T20-T25 > T22 > T22.4 > T22.44 T22.44 Corrosion of unspecified degree of axilla Non-Billable/Non-Specific Codes T22.441Corrosion of unspecified degree of right axillaT22.441A..., initial encounterT22.441D..., subsequent encounterT22.441S..., sequelaT22.442Corrosion of unspecified degree of left axillaT22.442A..., initial encounterT22.442D..., subsequent encounterT22.442S..., sequelaT22.449Corrosion of unspecified degree of unspecified axillaT22.449A..., initial encounterT22.449D..., subsequent encounterT22.449S..., sequela