ICD-10-CM
T24.492: Corrosion of unspecified degree of multiple sites of left lower limb, except ankle and foot
A header, not a billable code. Bill a more specific code under it.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
- Kind
- Header. Not a billable code.
- Category
- T24
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Codes under T24.492
A header groups codes and is not billed. A billable code is one you can report.
- T24.492ACorrosion of unspecified degree of multiple sites of left lower limb, except ankle and foot, initial encounterBillable
- T24.492DCorrosion of unspecified degree of multiple sites of left lower limb, except ankle and foot, subsequent encounterBillable
- T24.492SCorrosion of unspecified degree of multiple sites of left lower limb, except ankle and foot, sequelaBillable
It's the public CDC file. Check the current ICD-10-CM guidelines before you code.
Code first
The CDC tabular list says to report the code named here before this one.
From T24.4. A note on a category applies to every code under it.
Code first (T51-T65) to identify chemical and intent
Use additional code
The CDC tabular list says to add the code named here after this one when it applies.
From T24.4. A note on a category applies to every code under it.
Use additional external cause code to identify place (Y92)
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From T24. A note on a category applies to every code under it.