Is ICD-10-CM code T20-T25 billable?

No, T20-T25 (Burns and corrosions of external body surface, specified by site (T20-T25)) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code T20-T25 belong to?

T20-T25 belongs to Chapter 19 of the ICD-10-CM tabular list: S00–T88 (Injury, Poisoning and Certain Other Consequences of External Causes).

T20-T25Not billable, use a more specific code below

Burns and corrosions of external body surface, specified by site (T20-T25)

chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes

Instructional notes

Includes: conditions that are coded here

burns and corrosions of first degree [erythema]
burns and corrosions of second degree [blisters][epidermal loss]
burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]

Use additional code: add a second code for this, listed after this one

code from category T31 or T32 to identify extent of body surface involved

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Section I.C.19.d Coding of Burns and Corrosions (page 80), covers T20-T25
Sequence the highest degree burn first and code each site separately, using the highest degree for one site. Code non-healing burns as acute, add codes for infection, and add an external cause code for source, intent, and place.

Codes under T20-T25

T20-T25 can't be used on a claim. Pick a billable code below; grey headings group them.

T20-T25 MS-DRGs

This code does not group to an MS-DRG as a principal diagnosis.

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

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.