| T21.10 | Burn of first degree of trunk, unspecified site | NON-BILLABLE CODE |
| T21.10XA | Burn of first degree of trunk, unspecified site, initial encounter | BILLABLE CODE |
| T21.10XD | Burn of first degree of trunk, unspecified site, subsequent encounter | BILLABLE CODE |
| T21.10XS | Burn of first degree of trunk, unspecified site, sequela | BILLABLE CODE |
| T21.11 | Burn of first degree of chest wall | NON-BILLABLE CODE |
| T21.11XA | Burn of first degree of chest wall, initial encounter | BILLABLE CODE |
| T21.11XD | Burn of first degree of chest wall, subsequent encounter | BILLABLE CODE |
| T21.11XS | Burn of first degree of chest wall, sequela | BILLABLE CODE |
| T21.12 | Burn of first degree of abdominal wall | NON-BILLABLE CODE |
| T21.12XA | Burn of first degree of abdominal wall, initial encounter | BILLABLE CODE |
| T21.12XD | Burn of first degree of abdominal wall, subsequent encounter | BILLABLE CODE |
| T21.12XS | Burn of first degree of abdominal wall, sequela | BILLABLE CODE |
| T21.13 | Burn of first degree of upper back | NON-BILLABLE CODE |
| T21.13XA | Burn of first degree of upper back, initial encounter | BILLABLE CODE |
| T21.13XD | Burn of first degree of upper back, subsequent encounter | BILLABLE CODE |
| T21.13XS | Burn of first degree of upper back, sequela | BILLABLE CODE |
| T21.14 | Burn of first degree of lower back | NON-BILLABLE CODE |
| T21.14XA | Burn of first degree of lower back, initial encounter | BILLABLE CODE |
| T21.14XD | Burn of first degree of lower back, subsequent encounter | BILLABLE CODE |
| T21.14XS | Burn of first degree of lower back, sequela | BILLABLE CODE |
| T21.15 | Burn of first degree of buttock | NON-BILLABLE CODE |
| T21.15XA | Burn of first degree of buttock, initial encounter | BILLABLE CODE |
| T21.15XD | Burn of first degree of buttock, subsequent encounter | BILLABLE CODE |
| T21.15XS | Burn of first degree of buttock, sequela | BILLABLE CODE |
| T21.16 | Burn of first degree of male genital region | NON-BILLABLE CODE |
| T21.16XA | Burn of first degree of male genital region, initial encounter | BILLABLE CODE |
| T21.16XD | Burn of first degree of male genital region, subsequent encounter | BILLABLE CODE |
| T21.16XS | Burn of first degree of male genital region, sequela | BILLABLE CODE |
| T21.17 | Burn of first degree of female genital region | NON-BILLABLE CODE |
| T21.17XA | Burn of first degree of female genital region, initial encounter | BILLABLE CODE |
| T21.17XD | Burn of first degree of female genital region, subsequent encounter | BILLABLE CODE |
| T21.17XS | Burn of first degree of female genital region, sequela | BILLABLE CODE |
| T21.19 | Burn of first degree of other site of trunk | NON-BILLABLE CODE |
| T21.19XA | Burn of first degree of other site of trunk, initial encounter | BILLABLE CODE |
| T21.19XD | Burn of first degree of other site of trunk, subsequent encounter | BILLABLE CODE |
| T21.19XS | Burn of first degree of other site of trunk, sequela | BILLABLE CODE |
