| T21.60 | Corrosion of second degree of trunk, unspecified site | NON-BILLABLE CODE |
| T21.60XA | Corrosion of second degree of trunk, unspecified site, initial encounter | BILLABLE CODE |
| T21.60XD | Corrosion of second degree of trunk, unspecified site, subsequent encounter | BILLABLE CODE |
| T21.60XS | Corrosion of second degree of trunk, unspecified site, sequela | BILLABLE CODE |
| T21.61 | Corrosion of second degree of chest wall | NON-BILLABLE CODE |
| T21.61XA | Corrosion of second degree of chest wall, initial encounter | BILLABLE CODE |
| T21.61XD | Corrosion of second degree of chest wall, subsequent encounter | BILLABLE CODE |
| T21.61XS | Corrosion of second degree of chest wall, sequela | BILLABLE CODE |
| T21.62 | Corrosion of second degree of abdominal wall | NON-BILLABLE CODE |
| T21.62XA | Corrosion of second degree of abdominal wall, initial encounter | BILLABLE CODE |
| T21.62XD | Corrosion of second degree of abdominal wall, subsequent encounter | BILLABLE CODE |
| T21.62XS | Corrosion of second degree of abdominal wall, sequela | BILLABLE CODE |
| T21.63 | Corrosion of second degree of upper back | NON-BILLABLE CODE |
| T21.63XA | Corrosion of second degree of upper back, initial encounter | BILLABLE CODE |
| T21.63XD | Corrosion of second degree of upper back, subsequent encounter | BILLABLE CODE |
| T21.63XS | Corrosion of second degree of upper back, sequela | BILLABLE CODE |
| T21.64 | Corrosion of second degree of lower back | NON-BILLABLE CODE |
| T21.64XA | Corrosion of second degree of lower back, initial encounter | BILLABLE CODE |
| T21.64XD | Corrosion of second degree of lower back, subsequent encounter | BILLABLE CODE |
| T21.64XS | Corrosion of second degree of lower back, sequela | BILLABLE CODE |
| T21.65 | Corrosion of second degree of buttock | NON-BILLABLE CODE |
| T21.65XA | Corrosion of second degree of buttock, initial encounter | BILLABLE CODE |
| T21.65XD | Corrosion of second degree of buttock, subsequent encounter | BILLABLE CODE |
| T21.65XS | Corrosion of second degree of buttock, sequela | BILLABLE CODE |
| T21.66 | Corrosion of second degree of male genital region | NON-BILLABLE CODE |
| T21.66XA | Corrosion of second degree of male genital region, initial encounter | BILLABLE CODE |
| T21.66XD | Corrosion of second degree of male genital region, subsequent encounter | BILLABLE CODE |
| T21.66XS | Corrosion of second degree of male genital region, sequela | BILLABLE CODE |
| T21.67 | Corrosion of second degree of female genital region | NON-BILLABLE CODE |
| T21.67XA | Corrosion of second degree of female genital region, initial encounter | BILLABLE CODE |
| T21.67XD | Corrosion of second degree of female genital region, subsequent encounter | BILLABLE CODE |
| T21.67XS | Corrosion of second degree of female genital region, sequela | BILLABLE CODE |
| T21.69 | Corrosion of second degree of other site of trunk | NON-BILLABLE CODE |
| T21.69XA | Corrosion of second degree of other site of trunk, initial encounter | BILLABLE CODE |
| T21.69XD | Corrosion of second degree of other site of trunk, subsequent encounter | BILLABLE CODE |
| T21.69XS | Corrosion of second degree of other site of trunk, sequela | BILLABLE CODE |
