T24.50 — Corrosion of first degree of unspecified site of lower limb, except ankle and foot
Is T24.50 billable?
No — T24.50 is a non-billable header code. T24.50 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 9 billable codes beneath T24.50.
Billable codes under this header
- T24.501ACorrosion of first degree of unspecified site of right lower limb, except ankle and foot, initial encounter
- T24.501DCorrosion of first degree of unspecified site of right lower limb, except ankle and foot, subsequent encounter
- T24.501SCorrosion of first degree of unspecified site of right lower limb, except ankle and foot, sequela
- T24.502ACorrosion of first degree of unspecified site of left lower limb, except ankle and foot, initial encounter
- T24.502DCorrosion of first degree of unspecified site of left lower limb, except ankle and foot, subsequent encounter
- T24.502SCorrosion of first degree of unspecified site of left lower limb, except ankle and foot, sequela
- 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
T24.50 at a glance
| Code | T24.50 |
|---|---|
| Description | Corrosion of first degree of unspecified site of lower limb, except ankle and foot |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Code first — inherited from T24.5
The underlying condition below must be sequenced before T24.50. T24.50 describes a manifestation and cannot be the principal or first-listed diagnosis.
- (T51-T65) to identify chemical and intent
Use additional code — inherited from Chapter 19
Report an additional code alongside T24.50 to fully describe the condition. T24.50 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T20-T25
Report an additional code alongside T24.50 to fully describe the condition. T24.50 is sequenced first.
Use additional code — inherited from T24.5
Report an additional code alongside T24.50 to fully describe the condition. T24.50 is sequenced first.
- external cause code to identify place (Y92)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T24.50, but a patient may have both at the same time. When documentation supports it, T24.50 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T24
The conditions below are not part of T24.50, but a patient may have both at the same time. When documentation supports it, T24.50 and the excluded code may both be reported.
What codes fall under T24.50? (3)
- T24.501Corrosion of first degree of unspecified site of right lower limb, except ankle and footnot billable
- T24.502Corrosion of first degree of unspecified site of left lower limb, except ankle and footnot billable
- T24.509Corrosion of first degree of unspecified site of unspecified lower limb, except ankle and footnot billable
How long has T24.50 existed?
T24.50 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.