ICD-10-CM > S00-T88 > T20-T25 > T22 > T22.7 > T22.79 > T22.791 T22.791 Corrosion of third degree of multiple sites of right shoulder and upper limb, except wrist and hand Non-Billable/Non-Specific Codes T22.791A..., initial encounterT22.791D..., subsequent encounterT22.791S..., sequela