2026 ICD-10-CM Diagnosis Code T30Burn and corrosion, body region unspecified

ICD-10-CM Codes›S00–T88›T30-T32›T30

ICD-10-CM T30
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

T30 is a non-billable ICD-10-CM category code for burn and corrosion, body region unspecified, so it cannot be submitted on claims. Use a more specific code from this category instead, such as T30.0 and T30.4.

Code Identity

ICD-10-CM Code
T30
Billable Status
No — Non-Billable Category
Code Describes
Burn and corrosion, body region unspecified
Chapter
T30-T32
Burns and corrosions of multiple and unspecified body regions

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionT30-T32Burns and corrosions of multiple and unspecified body regions
CategoryT30Burn and corrosion, body region unspecified
This CodeT30Burn and corrosion, body region unspecified

Specific Coding for Burn and corrosion, body region unspecifiedOverview

Non-specific codes like T30 require more characters. Use one of these billable codes instead:

  • Use T30.0 for Burn of unspecified body region, unspecified degree

  • Use T30.4 for Corrosion of unspecified body region, unspecified degree

Coding GuidelinesGuidance

The ICD-10-CM makes a distinction between burns and corrosions. The burn codes are for thermal burns, except sunburns, that come from a heat source, such as a fire or hot appliance. The burn codes are also for burns resulting from electricity and radiation. Corrosions are burns due to chemicals. The guidelines are the same for burns and corrosions.

Sequence first the code that reflects the highest degree of burn when more than one burn is present.

  • When the reason for the admission or encounter is for treatment of external multiple burns, sequence first the code that reflects the burn of the highest degree.
  • When a patient has both internal and external burns, the circumstances of admission govern the selection of the principal diagnosis or first-listed diagnosis.
  • When a patient is admitted for burn injuries and other related conditions such as smoke inhalation and/or respiratory failure, the circumstances of admission govern the selection of the principal or first-listed diagnosis.

When coding burns, assign separate codes for each burn site. Category T30, Burn and corrosion, body region unspecified is extremely vague and should rarely be used.

Source: ICD-10-CM Official Guidelines for Coding and Reporting, FY 2026, published by CMS and the National Center for Health Statistics.

Patient EducationClinical

Burns

A burn is damage to your body's tissues caused by heat, chemicals, electricity, sunlight, or radiation. Scalds from hot liquids and steam, building fires and flammable liquids and gases are the most common causes of burns. Another kind is an inhalation injury, caused by breathing smoke.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About T30Overview

Is T30 (Burn and corrosion, body region unspecified) a billable code?

No. This is a category header that groups the codes for burn and corrosion, body region unspecified, and headers cannot be submitted on claims. Claims for burn and corrosion, body region unspecified need a more specific code from this category, such as T30.0 and T30.4.