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T24.3

T24.3: Burn of third degree of lower limb, except ankle and foot

Non-billable headerICD-10-CM

T24.3 is a non-billable header ICD-10-CM code for burn of third degree of lower limb, except ankle and foot. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category T24

A
initial encounter
D
subsequent encounter
S
sequela

Use additional code

Add a secondary code to capture the detail described below.

  • external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)

Excludes2 inherited from the categories above T24.3

Not part of this code, but both may be coded when both are present.

Written on T24: Burn and corrosion of lower limb, except ankle and foot

  • burn and corrosion of ankle and foot (T25.-)
  • burn and corrosion of hip region (T21.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead T24.3

5 child codes. Green means billable.

Other codes under T24

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.