ICD-10-CM · Chapter 19 · S00-T88
T31 Burns classified according to extent of body surface involved
Notes
- This category is to be used as the primary code only when the site of the burn is unspecified. It should be used as a supplementary code with categories T20-T25 when the site is specified.
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| T31..0 | Burns involving less than 10% of body surface | Yes |
| T31..1 | Burns involving 10-19% of body surface | No |
| T31..10 | Burns involving 10-19% of body surface with 0% to 9% third degree burns | Yes |
| T31..11 | Burns involving 10-19% of body surface with 10-19% third degree burns | Yes |
| T31..2 | Burns involving 20-29% of body surface | No |
| T31..20 | Burns involving 20-29% of body surface with 0% to 9% third degree burns | Yes |
| T31..21 | Burns involving 20-29% of body surface with 10-19% third degree burns | Yes |
| T31..22 | Burns involving 20-29% of body surface with 20-29% third degree burns | Yes |
| T31..3 | Burns involving 30-39% of body surface | No |
| T31..30 | Burns involving 30-39% of body surface with 0% to 9% third degree burns | Yes |
| T31..31 | Burns involving 30-39% of body surface with 10-19% third degree burns | Yes |
| T31..32 | Burns involving 30-39% of body surface with 20-29% third degree burns | Yes |
| T31..33 | Burns involving 30-39% of body surface with 30-39% third degree burns | Yes |
| T31..4 | Burns involving 40-49% of body surface | No |
| T31..40 | Burns involving 40-49% of body surface with 0% to 9% third degree burns | Yes |
| T31..41 | Burns involving 40-49% of body surface with 10-19% third degree burns | Yes |
| T31..42 | Burns involving 40-49% of body surface with 20-29% third degree burns | Yes |
| T31..43 | Burns involving 40-49% of body surface with 30-39% third degree burns | Yes |
| T31..44 | Burns involving 40-49% of body surface with 40-49% third degree burns | Yes |
| T31..5 | Burns involving 50-59% of body surface | No |
| T31..50 | Burns involving 50-59% of body surface with 0% to 9% third degree burns | Yes |
| T31..51 | Burns involving 50-59% of body surface with 10-19% third degree burns | Yes |
| T31..52 | Burns involving 50-59% of body surface with 20-29% third degree burns | Yes |
| T31..53 | Burns involving 50-59% of body surface with 30-39% third degree burns | Yes |
| T31..54 | Burns involving 50-59% of body surface with 40-49% third degree burns | Yes |
| T31..55 | Burns involving 50-59% of body surface with 50-59% third degree burns | Yes |
| T31..6 | Burns involving 60-69% of body surface | No |
| T31..60 | Burns involving 60-69% of body surface with 0% to 9% third degree burns | Yes |
| T31..61 | Burns involving 60-69% of body surface with 10-19% third degree burns | Yes |
| T31..62 | Burns involving 60-69% of body surface with 20-29% third degree burns | Yes |
| T31..63 | Burns involving 60-69% of body surface with 30-39% third degree burns | Yes |
| T31..64 | Burns involving 60-69% of body surface with 40-49% third degree burns | Yes |
| T31..65 | Burns involving 60-69% of body surface with 50-59% third degree burns | Yes |
| T31..66 | Burns involving 60-69% of body surface with 60-69% third degree burns | Yes |
| T31..7 | Burns involving 70-79% of body surface | No |
| T31..70 | Burns involving 70-79% of body surface with 0% to 9% third degree burns | Yes |
| T31..71 | Burns involving 70-79% of body surface with 10-19% third degree burns | Yes |
| T31..72 | Burns involving 70-79% of body surface with 20-29% third degree burns | Yes |
| T31..73 | Burns involving 70-79% of body surface with 30-39% third degree burns | Yes |
| T31..74 | Burns involving 70-79% of body surface with 40-49% third degree burns | Yes |
| T31..75 | Burns involving 70-79% of body surface with 50-59% third degree burns | Yes |
| T31..76 | Burns involving 70-79% of body surface with 60-69% third degree burns | Yes |
| T31..77 | Burns involving 70-79% of body surface with 70-79% third degree burns | Yes |
| T31..8 | Burns involving 80-89% of body surface | No |
| T31..80 | Burns involving 80-89% of body surface with 0% to 9% third degree burns | Yes |
| T31..81 | Burns involving 80-89% of body surface with 10-19% third degree burns | Yes |
| T31..82 | Burns involving 80-89% of body surface with 20-29% third degree burns | Yes |
| T31..83 | Burns involving 80-89% of body surface with 30-39% third degree burns | Yes |
| T31..84 | Burns involving 80-89% of body surface with 40-49% third degree burns | Yes |
| T31..85 | Burns involving 80-89% of body surface with 50-59% third degree burns | Yes |
| T31..86 | Burns involving 80-89% of body surface with 60-69% third degree burns | Yes |
| T31..87 | Burns involving 80-89% of body surface with 70-79% third degree burns | Yes |
| T31..88 | Burns involving 80-89% of body surface with 80-89% third degree burns | Yes |
| T31..9 | Burns involving 90% or more of body surface | No |
| T31..90 | Burns involving 90% or more of body surface with 0% to 9% third degree burns | Yes |
| T31..91 | Burns involving 90% or more of body surface with 10-19% third degree burns | Yes |
| T31..92 | Burns involving 90% or more of body surface with 20-29% third degree burns | Yes |
| T31..93 | Burns involving 90% or more of body surface with 30-39% third degree burns | Yes |
| T31..94 | Burns involving 90% or more of body surface with 40-49% third degree burns | Yes |
| T31..95 | Burns involving 90% or more of body surface with 50-59% third degree burns | Yes |
| T31..96 | Burns involving 90% or more of body surface with 60-69% third degree burns | Yes |
| T31..97 | Burns involving 90% or more of body surface with 70-79% third degree burns | Yes |
| T31..98 | Burns involving 90% or more of body surface with 80-89% third degree burns | Yes |
| T31..99 | Burns involving 90% or more of body surface with 90% or more third degree burns | Yes |
Last reviewed: September 2026