T24.509
T24.509: Corrosion of first degree of unspecified site of unspecified lower limb, except ankle and foot
Non-billable headerICD-10-CMunspecified
T24.509 is a non-billable header ICD-10-CM code for corrosion of first degree of unspecified site of unspecified 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
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Corrosion›lower›limb›first degree
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead T24.509
3 child codes. Green means billable.
- T24.509ACorrosion of first degree of unspecified site of unspecified lower limb, except ankle and foot, initial encounter
- T24.509DCorrosion of first degree of unspecified site of unspecified lower limb, except ankle and foot, subsequent encounter
- T24.509SCorrosion of first degree of unspecified site of unspecified lower limb, except ankle and foot, sequela