T24.7

T24.7: Corrosion of third degree of lower limb, except ankle and foot

Non-billable headerICD-10-CM

T24.7 is a non-billable header ICD-10-CM code for corrosion 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

Code first

The underlying condition must be sequenced before this code.

(T51-T65) to identify chemical and intent

Use additional code

Add a secondary code to capture the detail described below.

external cause code to identify place (Y92)

Excludes2 inherited from the categories above T24.7

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 T24.7

5 child codes. Green means billable.