ICD-10-CM > S00-T88 > T20-T25 > T22 > T22.5 > T22.55 T22.55 Corrosion of first degree of shoulder Non-Billable/Non-Specific Codes T22.551Corrosion of first degree of right shoulderT22.551A..., initial encounterT22.551D..., subsequent encounterT22.551S..., sequelaT22.552Corrosion of first degree of left shoulderT22.552A..., initial encounterT22.552D..., subsequent encounterT22.552S..., sequelaT22.559Corrosion of first degree of unspecified shoulderT22.559A..., initial encounterT22.559D..., subsequent encounterT22.559S..., sequela