T24.52 — Corrosion of first degree of knee
Is T24.52 billable?
No — T24.52 is a non-billable header code. T24.52 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 T24.52.
Billable codes under this header
- T24.521ACorrosion of first degree of right knee, initial encounter
- T24.521DCorrosion of first degree of right knee, subsequent encounter
- T24.521SCorrosion of first degree of right knee, sequela
- T24.522ACorrosion of first degree of left knee, initial encounter
- T24.522DCorrosion of first degree of left knee, subsequent encounter
- T24.522SCorrosion of first degree of left knee, sequela
- T24.529ACorrosion of first degree of unspecified knee, initial encounter
- T24.529DCorrosion of first degree of unspecified knee, subsequent encounter
- T24.529SCorrosion of first degree of unspecified knee, sequela
T24.52 at a glance
| Code | T24.52 |
|---|---|
| Description | Corrosion of first degree of knee |
| 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 T24.52. T24.52 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 T24.52 to fully describe the condition. T24.52 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 T24.52 to fully describe the condition. T24.52 is sequenced first.
Use additional code — inherited from T24.5
Report an additional code alongside T24.52 to fully describe the condition. T24.52 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 T24.52, but a patient may have both at the same time. When documentation supports it, T24.52 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T24
The conditions below are not part of T24.52, but a patient may have both at the same time. When documentation supports it, T24.52 and the excluded code may both be reported.
What codes fall under T24.52? (3)
How long has T24.52 existed?
T24.52 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 T24.5 family? (4)
- T24.50Corrosion of first degree of unspecified site of lower limb, except ankle and footnot billable
- T24.51Corrosion of first degree of thighnot billable
- T24.53Corrosion of first degree of lower legnot billable
- T24.59Corrosion of first degree of multiple sites of lower limb, except ankle and footnot billable