T31 — Burns classified according to extent of body surface involved
Not billable
Is T31 billable?
No — T31 is a non-billable header code. T31 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 55 billable codes beneath T31.
Billable codes under this header
- T31.0Burns involving less than 10% of body surface
- T31.10Burns involving 10-19% of body surface with 0% to 9% third degree burns
- T31.11Burns involving 10-19% of body surface with 10-19% third degree burns
- T31.20Burns involving 20-29% of body surface with 0% to 9% third degree burns
- T31.21Burns involving 20-29% of body surface with 10-19% third degree burns
- T31.22Burns involving 20-29% of body surface with 20-29% third degree burns
- T31.30Burns involving 30-39% of body surface with 0% to 9% third degree burns
- T31.31Burns involving 30-39% of body surface with 10-19% third degree burns
- T31.32Burns involving 30-39% of body surface with 20-29% third degree burns
- T31.33Burns involving 30-39% of body surface with 30-39% third degree burns
- T31.40Burns involving 40-49% of body surface with 0% to 9% third degree burns
- T31.41Burns involving 40-49% of body surface with 10-19% third degree burns
- T31.42Burns involving 40-49% of body surface with 20-29% third degree burns
- T31.43Burns involving 40-49% of body surface with 30-39% third degree burns
- T31.44Burns involving 40-49% of body surface with 40-49% third degree burns
- T31.50Burns involving 50-59% of body surface with 0% to 9% third degree burns
- T31.51Burns involving 50-59% of body surface with 10-19% third degree burns
- T31.52Burns involving 50-59% of body surface with 20-29% third degree burns
- T31.53Burns involving 50-59% of body surface with 30-39% third degree burns
- T31.54Burns involving 50-59% of body surface with 40-49% third degree burns
- T31.55Burns involving 50-59% of body surface with 50-59% third degree burns
- T31.60Burns involving 60-69% of body surface with 0% to 9% third degree burns
- T31.61Burns involving 60-69% of body surface with 10-19% third degree burns
- T31.62Burns involving 60-69% of body surface with 20-29% third degree burns
- T31.63Burns involving 60-69% of body surface with 30-39% third degree burns
- T31.64Burns involving 60-69% of body surface with 40-49% third degree burns
- T31.65Burns involving 60-69% of body surface with 50-59% third degree burns
- T31.66Burns involving 60-69% of body surface with 60-69% third degree burns
- T31.70Burns involving 70-79% of body surface with 0% to 9% third degree burns
- T31.71Burns involving 70-79% of body surface with 10-19% third degree burns
- T31.72Burns involving 70-79% of body surface with 20-29% third degree burns
- T31.73Burns involving 70-79% of body surface with 30-39% third degree burns
- T31.74Burns involving 70-79% of body surface with 40-49% third degree burns
- T31.75Burns involving 70-79% of body surface with 50-59% third degree burns
- T31.76Burns involving 70-79% of body surface with 60-69% third degree burns
- T31.77Burns involving 70-79% of body surface with 70-79% third degree burns
- T31.80Burns involving 80-89% of body surface with 0% to 9% third degree burns
- T31.81Burns involving 80-89% of body surface with 10-19% third degree burns
- T31.82Burns involving 80-89% of body surface with 20-29% third degree burns
- T31.83Burns involving 80-89% of body surface with 30-39% third degree burns
- T31.84Burns involving 80-89% of body surface with 40-49% third degree burns
- T31.85Burns involving 80-89% of body surface with 50-59% third degree burns
- T31.86Burns involving 80-89% of body surface with 60-69% third degree burns
- T31.87Burns involving 80-89% of body surface with 70-79% third degree burns
- T31.88Burns involving 80-89% of body surface with 80-89% third degree burns
- T31.90Burns involving 90% or more of body surface with 0% to 9% third degree burns
- T31.91Burns involving 90% or more of body surface with 10-19% third degree burns
- T31.92Burns involving 90% or more of body surface with 20-29% third degree burns
- T31.93Burns involving 90% or more of body surface with 30-39% third degree burns
- T31.94Burns involving 90% or more of body surface with 40-49% third degree burns
- T31.95Burns involving 90% or more of body surface with 50-59% third degree burns
- T31.96Burns involving 90% or more of body surface with 60-69% third degree burns
- T31.97Burns involving 90% or more of body surface with 70-79% third degree burns
- T31.98Burns involving 90% or more of body surface with 80-89% third degree burns
- T31.99Burns involving 90% or more of body surface with 90% or more third degree burns
T31 at a glance
| Code | T31 |
|---|---|
| Description | Burns classified according to extent of body surface involved |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Note
- 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.
Use additional code — inherited from Chapter 19
Report an additional code alongside T31 to fully describe the condition. T31 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T31, but a patient may have both at the same time. When documentation supports it, T31 and the excluded code may both be reported.
What codes fall under T31? (10)
- T31.0Burns involving less than 10% of body surface
- T31.1Burns involving 10-19% of body surfacenot billable
- T31.2Burns involving 20-29% of body surfacenot billable
- T31.3Burns involving 30-39% of body surfacenot billable
- T31.4Burns involving 40-49% of body surfacenot billable
- T31.5Burns involving 50-59% of body surfacenot billable
- T31.6Burns involving 60-69% of body surfacenot billable
- T31.7Burns involving 70-79% of body surfacenot billable
- T31.8Burns involving 80-89% of body surfacenot billable
- T31.9Burns involving 90% or more of body surfacenot billable
How long has T31 existed?
T31 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with T31?
ICD-10-CM declares these codes mutually exclusive with T31 — exactly one of each pair can be correct for a given encounter.