T24.6 — Corrosion of second degree of lower limb, except ankle and foot
Not billable
Is T24.6 billable?
No — T24.6 is a non-billable header code. T24.6 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 45 billable codes beneath T24.6.
Billable codes under this header
- T24.601ACorrosion of second degree of unspecified site of right lower limb, except ankle and foot, initial encounter
- T24.601DCorrosion of second degree of unspecified site of right lower limb, except ankle and foot, subsequent encounter
- T24.601SCorrosion of second degree of unspecified site of right lower limb, except ankle and foot, sequela
- T24.602ACorrosion of second degree of unspecified site of left lower limb, except ankle and foot, initial encounter
- T24.602DCorrosion of second degree of unspecified site of left lower limb, except ankle and foot, subsequent encounter
- T24.602SCorrosion of second degree of unspecified site of left lower limb, except ankle and foot, sequela
- T24.609ACorrosion of second degree of unspecified site of unspecified lower limb, except ankle and foot, initial encounter
- T24.609DCorrosion of second degree of unspecified site of unspecified lower limb, except ankle and foot, subsequent encounter
- T24.609SCorrosion of second degree of unspecified site of unspecified lower limb, except ankle and foot, sequela
- T24.611ACorrosion of second degree of right thigh, initial encounter
- T24.611DCorrosion of second degree of right thigh, subsequent encounter
- T24.611SCorrosion of second degree of right thigh, sequela
- T24.612ACorrosion of second degree of left thigh, initial encounter
- T24.612DCorrosion of second degree of left thigh, subsequent encounter
- T24.612SCorrosion of second degree of left thigh, sequela
- T24.619ACorrosion of second degree of unspecified thigh, initial encounter
- T24.619DCorrosion of second degree of unspecified thigh, subsequent encounter
- T24.619SCorrosion of second degree of unspecified thigh, sequela
- T24.621ACorrosion of second degree of right knee, initial encounter
- T24.621DCorrosion of second degree of right knee, subsequent encounter
- T24.621SCorrosion of second degree of right knee, sequela
- T24.622ACorrosion of second degree of left knee, initial encounter
- T24.622DCorrosion of second degree of left knee, subsequent encounter
- T24.622SCorrosion of second degree of left knee, sequela
- T24.629ACorrosion of second degree of unspecified knee, initial encounter
- T24.629DCorrosion of second degree of unspecified knee, subsequent encounter
- T24.629SCorrosion of second degree of unspecified knee, sequela
- T24.631ACorrosion of second degree of right lower leg, initial encounter
- T24.631DCorrosion of second degree of right lower leg, subsequent encounter
- T24.631SCorrosion of second degree of right lower leg, sequela
- T24.632ACorrosion of second degree of left lower leg, initial encounter
- T24.632DCorrosion of second degree of left lower leg, subsequent encounter
- T24.632SCorrosion of second degree of left lower leg, sequela
- T24.639ACorrosion of second degree of unspecified lower leg, initial encounter
- T24.639DCorrosion of second degree of unspecified lower leg, subsequent encounter
- T24.639SCorrosion of second degree of unspecified lower leg, sequela
- T24.691ACorrosion of second degree of multiple sites of right lower limb, except ankle and foot, initial encounter
- T24.691DCorrosion of second degree of multiple sites of right lower limb, except ankle and foot, subsequent encounter
- T24.691SCorrosion of second degree of multiple sites of right lower limb, except ankle and foot, sequela
- T24.692ACorrosion of second degree of multiple sites of left lower limb, except ankle and foot, initial encounter
- T24.692DCorrosion of second degree of multiple sites of left lower limb, except ankle and foot, subsequent encounter
- T24.692SCorrosion of second degree of multiple sites of left lower limb, except ankle and foot, sequela
- T24.699ACorrosion of second degree of multiple sites of unspecified lower limb, except ankle and foot, initial encounter
- T24.699DCorrosion of second degree of multiple sites of unspecified lower limb, except ankle and foot, subsequent encounter
- T24.699SCorrosion of second degree of multiple sites of unspecified lower limb, except ankle and foot, sequela
T24.6 at a glance
| Code | T24.6 |
|---|---|
| Description | Corrosion of second degree 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
The underlying condition below must be sequenced before T24.6. T24.6 describes a manifestation and cannot be the principal or first-listed diagnosis.
- (T51-T65) to identify chemical and intent
Use additional code
Report an additional code alongside T24.6 to fully describe the condition. T24.6 is sequenced first.
- external cause code to identify place (Y92)
Use additional code — inherited from Chapter 19
Report an additional code alongside T24.6 to fully describe the condition. T24.6 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 T24.6 to fully describe the condition. T24.6 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T24.6, but a patient may have both at the same time. When documentation supports it, T24.6 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T24
The conditions below are not part of T24.6, but a patient may have both at the same time. When documentation supports it, T24.6 and the excluded code may both be reported.
What codes fall under T24.6? (5)
- T24.60Corrosion of second degree of unspecified site of lower limb, except ankle and footnot billable
- T24.61Corrosion of second degree of thighnot billable
- T24.62Corrosion of second degree of kneenot billable
- T24.63Corrosion of second degree of lower legnot billable
- T24.69Corrosion of second degree of multiple sites of lower limb, except ankle and footnot billable
How long has T24.6 existed?
T24.6 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.
What other codes are in the T24 family? (7)
- T24.0Burn of unspecified degree of lower limb, except ankle and footnot billable
- T24.1Burn of first degree of lower limb, except ankle and footnot billable
- T24.2Burn of second degree of lower limb, except ankle and footnot billable
- T24.3Burn of third degree of lower limb, except ankle and footnot billable
- T24.4Corrosion of unspecified degree of lower limb, except ankle and footnot billable
- T24.5Corrosion of first degree of lower limb, except ankle and footnot billable
- T24.7Corrosion of third degree of lower limb, except ankle and footnot billable