ICD-10-CM > S00-T88 > T20-T25 > T22 > T22.5 > T22.50 T22.50 Corrosion of first degree of shoulder and upper limb, except wrist and hand unspecified site Non-Billable/Non-Specific Codes T22.50XA..., initial encounterT22.50XD..., subsequent encounterT22.50XS..., sequela