| T31 | Burns classified according to extent of body surface involved |
| | Burns involving less than 10% of body surface |
| | Burns involving 10-19% of body surface |
| | Burns involving 10-19% of body surface, with 0% to 9% third degree burns |
| | Burns involving 10-19% of body surface, with 10-19% third degree burns |
| | Burns involving 20-29% of body surface |
| | Burns involving 20-29% of body surface, with 0% to 9% third degree burns |
| | Burns involving 20-29% of body surface, with 10-19% third degree burns |
| | Burns involving 20-29% of body surface, with 20-29% third degree burns |
| | Burns involving 30-39% of body surface |
| | Burns involving 30-39% of body surface, with 0% to 9% third degree burns |
| | Burns involving 30-39% of body surface, with 10-19% third degree burns |
| | Burns involving 30-39% of body surface, with 20-29% third degree burns |
| | Burns involving 30-39% of body surface, with 30-39% third degree burns |
| | Burns involving 40-49% of body surface |
| | Burns involving 40-49% of body surface, with 0% to 9% third degree burns |
| | Burns involving 40-49% of body surface, with 10-19% third degree burns |
| | Burns involving 40-49% of body surface, with 20-29% third degree burns |
| | Burns involving 40-49% of body surface, with 30-39% third degree burns |
| | Burns involving 40-49% of body surface, with 40-49% third degree burns |
| | Burns involving 50-59% of body surface |
| | Burns involving 50-59% of body surface, with 0% to 9% third degree burns |
| | Burns involving 50-59% of body surface, with 10-19% third degree burns |
| | Burns involving 50-59% of body surface, with 20-29% third degree burns |
| | Burns involving 50-59% of body surface, with 30-39% third degree burns |
| | Burns involving 50-59% of body surface, with 40-49% third degree burns |
| | Burns involving 50-59% of body surface, with 50-59% third degree burns |
| | Burns involving 60-69% of body surface |
| | Burns involving 60-69% of body surface, with 0% to 9% third degree burns |
| | Burns involving 60-69% of body surface, with 10-19% third degree burns |
| | Burns involving 60-69% of body surface, with 20-29% third degree burns |
| | Burns involving 60-69% of body surface, with 30-39% third degree burns |
| | Burns involving 60-69% of body surface, with 40-49% third degree burns |
| | Burns involving 60-69% of body surface, with 50-59% third degree burns |
| | Burns involving 60-69% of body surface, with 60-69% third degree burns |
| | Burns involving 70-79% of body surface |
| | Burns involving 70-79% of body surface, with 0% to 9% third degree burns |
| | Burns involving 70-79% of body surface, with 10-19% third degree burns |
| | Burns involving 70-79% of body surface, with 20-29% third degree burns |
| | Burns involving 70-79% of body surface, with 30-39% third degree burns |
| | Burns involving 70-79% of body surface, with 40-49% third degree burns |
| | Burns involving 70-79% of body surface, with 50-59% third degree burns |
| | Burns involving 70-79% of body surface, with 60-69% third degree burns |
| | Burns involving 70-79% of body surface, with 70-79% third degree burns |
| | Burns involving 80-89% of body surface |
| | Burns involving 80-89% of body surface, with 0% to 9% third degree burns |
| | Burns involving 80-89% of body surface, with 10-19% third degree burns |
| | Burns involving 80-89% of body surface, with 20-29% third degree burns |
| | Burns involving 80-89% of body surface, with 30-39% third degree burns |
| | Burns involving 80-89% of body surface, with 40-49% third degree burns |
| | Burns involving 80-89% of body surface, with 50-59% third degree burns |
| | Burns involving 80-89% of body surface, with 60-69% third degree burns |
| | Burns involving 80-89% of body surface, with 70-79% third degree burns |
| | Burns involving 80-89% of body surface, with 80-89% third degree burns |
| | Burns involving 90% or more of body surface |
| | Burns involving 90% or more of body surface, with 0% to 9% third degree burns |
| | Burns involving 90% or more of body surface, with 10-19% third degree burns |
| | Burns involving 90% or more of body surface, with 20-29% third degree burns |
| | Burns involving 90% or more of body surface, with 30-39% third degree burns |
| | Burns involving 90% or more of body surface, with 40-49% third degree burns |
| | Burns involving 90% or more of body surface, with 50-59% third degree burns |
| | Burns involving 90% or more of body surface, with 60-69% third degree burns |
| | Burns involving 90% or more of body surface, with 70-79% third degree burns |
| | Burns involving 90% or more of body surface, with 80-89% third degree burns |
| | Burns involving 90% or more of body surface, with 90% or more third degree burns |
