T31.32 Burns involving 30-39% of body surface with 20-29% third degree burns

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Burns involving 30-39% of body surface with 20-29% third degree burns is T31.32 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
T30-T32: Burns and corrosions of multiple and unspecified body regions (T30-T32)
Category T31
65 codes (55 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to T31.32:

  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal) › extent (percentage of body surface) › 30-39 percent › with 20-29 percent third degree burns
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal) › unspecified site with extent of body surface involved specified › 30-39 percent (0-9 percent third degree) › with › 20-29 percent third degree

U.S. Hospital Utilization

  • An estimated 55 U.S. inpatient stays in 2023 included T31.32 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

injury is to the blood vessels or nerves, that injury should be sequenced first.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.2
Do not assign injury codes for iatrogenic injuries; code complication

3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.3

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

T31 Burns classified according to extent of body surface involved

Related Codes in T31

T31 Burns classified according to extent of body surface involved T31.0 Burns involving less than 10% of body surface T31.1 Burns involving 10-19% of body surface T31.10 Burns involving 10-19% of body surface with 0% to 9% third degree burns T31.11 Burns involving 10-19% of body surface with 10-19% third degree burns T31.2 Burns involving 20-29% of body surface T31.20 Burns involving 20-29% of body surface with 0% to 9% third degree burns T31.21 Burns involving 20-29% of body surface with 10-19% third degree burns T31.22 Burns involving 20-29% of body surface with 20-29% third degree burns T31.3 Burns involving 30-39% of body surface T31.30 Burns involving 30-39% of body surface with 0% to 9% third degree burns T31.31 Burns involving 30-39% of body surface with 10-19% third degree burns T31.33 Burns involving 30-39% of body surface with 30-39% third degree burns T31.4 Burns involving 40-49% of body surface T31.40 Burns involving 40-49% of body surface with 0% to 9% third degree burns T31.41 Burns involving 40-49% of body surface with 10-19% third degree burns T31.42 Burns involving 40-49% of body surface with 20-29% third degree burns T31.43 Burns involving 40-49% of body surface with 30-39% third degree burns T31.44 Burns involving 40-49% of body surface with 40-49% third degree burns T31.5 Burns involving 50-59% of body surface
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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