| T22.531 | Corrosion of first degree of right upper arm | NON-BILLABLE CODE |
| T22.531A | Corrosion of first degree of right upper arm, initial encounter | BILLABLE CODE |
| T22.531D | Corrosion of first degree of right upper arm, subsequent encounter | BILLABLE CODE |
| T22.531S | Corrosion of first degree of right upper arm, sequela | BILLABLE CODE |
| T22.532 | Corrosion of first degree of left upper arm | NON-BILLABLE CODE |
| T22.532A | Corrosion of first degree of left upper arm, initial encounter | BILLABLE CODE |
| T22.532D | Corrosion of first degree of left upper arm, subsequent encounter | BILLABLE CODE |
| T22.532S | Corrosion of first degree of left upper arm, sequela | BILLABLE CODE |
| T22.539 | Corrosion of first degree of unspecified upper arm | NON-BILLABLE CODE |
| T22.539A | Corrosion of first degree of unspecified upper arm, initial encounter | BILLABLE CODE |
| T22.539D | Corrosion of first degree of unspecified upper arm, subsequent encounter | BILLABLE CODE |
| T22.539S | Corrosion of first degree of unspecified upper arm, sequela | BILLABLE CODE |
