Corrosion of second degree of multiple sites of unspecified shoulder and upper limb, except wrist and hand, subsequent encounter

T22.699D (“Corrosion of second degree of multiple sites of unspecified shoulder and upper limb, except wrist and hand, subsequent encounter”) is a diagnosis code that identifies a specific condition, injury, or finding on a medical claim in the ICD-10-CM code set. Whether it is billed — and whether a payer covers it — depends on the clinical setting, documentation, and plan rules.