T31.80 — Burns involving 80-89% of body surface with 0% to 9% third degree burns
Is T31.80 billable?
Yes — T31.80 is billable for FY2027. T31.80 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T31.80 may be submitted for encounters from October 1, 2026 through September 30, 2027.
T31.80 at a glance
| Code | T31.80 |
|---|---|
| Description | Burns involving 80-89% of body surface with 0% to 9% third degree burns |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does T31.80 group to?
T31.80 sits in MDC 22 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 935Non-Extensive Burnsmedical
As a secondary diagnosis, T31.80 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG. It also carries Hospital-Acquired Condition category 05.
How is T31.80 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to T31.80. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Burn › extent › 80-89 percent (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)
- Burn › unspecified site with extent of body surface involved specified › 80-89 percent (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)
- Burn › extent › 80-89 percent › with 0-9 percent third degree burns (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)
Inclusion terms
Alternative wording in documentation that is classified to T31.80.
- Burns involving 80-89% of body surface NOS
Use additional code — inherited from Chapter 19
Report an additional code alongside T31.80 to fully describe the condition. T31.80 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 T31.80, but a patient may have both at the same time. When documentation supports it, T31.80 and the excluded code may both be reported.
How long has T31.80 existed?
T31.80 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 conditions are coded to T31.80?
What other codes are in the T31.8 family? (8)
- 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