ICD-10-CM > S00-T88 > T20-T25 > T22 > T22.4 > T22.49 T22.49 Corrosion of unspecified degree of multiple sites of shoulder and upper limb, except wrist and hand Non-Billable/Non-Specific Codes T22.491Corrosion of unspecified degree of multiple sites of right shoulder and upper limb, except wrist and handT22.491A..., initial encounterT22.491D..., subsequent encounterT22.491S..., sequelaT22.492Corrosion of unspecified degree of multiple sites of left shoulder and upper limb, except wrist and handT22.492A..., initial encounterT22.492D..., subsequent encounterT22.492S..., sequelaT22.499Corrosion of unspecified degree of multiple sites of unspecified shoulder and upper limb, except wrist and handT22.499A..., initial encounterT22.499D..., subsequent encounterT22.499S..., sequela