T31.43 — Burns involving 40-49% of body surface with 30-39% third degree burns

BillableMCC

Is T31.43 billable?

Yes — T31.43 is billable for FY2027. T31.43 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T31.43 may be submitted for encounters from October 1, 2026 through September 30, 2027.

T31.43 at a glance

Code	T31.43
Description	Burns involving 40-49% of body surface with 30-39% third degree burns
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does T31.43 group to?

T31.43 sits in MDC 22 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

927Extensive Burns or Full Thickness Burns with MV >96 Hours with Skin Graftsurgical
933Extensive Burns or Full Thickness Burns with MV >96 Hours without Skin Graftmedical

As a secondary diagnosis, T31.43 is a major complication or comorbidity (MCC), which can move a stay into a higher-paying DRG. It also carries Hospital-Acquired Condition category 05.

How is T31.43 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to T31.43. They show the wording a clinician may have documented, which often differs from the Tabular description.

Burn › extent › 40-49 percent › with 30-39 percent third degree burns (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)
Burn › unspecified site with extent of body surface involved specified › 40-49 percent › with › 30-39 percent third degree (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)

Use additional code — inherited from Chapter 19

Report an additional code alongside T31.43 to fully describe the condition. T31.43 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 T31.43, but a patient may have both at the same time. When documentation supports it, T31.43 and the excluded code may both be reported.

birth trauma (P10-P15)
obstetric trauma (O70-O71)

How long has T31.43 existed?

T31.43 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.