T25.6 — Corrosion of second degree of ankle and foot
Is T25.6 billable?
No — T25.6 is a non-billable header code. T25.6 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 36 billable codes beneath T25.6.
Billable codes under this header
- T25.611ACorrosion of second degree of right ankle, initial encounter
- T25.611DCorrosion of second degree of right ankle, subsequent encounter
- T25.611SCorrosion of second degree of right ankle, sequela
- T25.612ACorrosion of second degree of left ankle, initial encounter
- T25.612DCorrosion of second degree of left ankle, subsequent encounter
- T25.612SCorrosion of second degree of left ankle, sequela
- T25.619ACorrosion of second degree of unspecified ankle, initial encounter
- T25.619DCorrosion of second degree of unspecified ankle, subsequent encounter
- T25.619SCorrosion of second degree of unspecified ankle, sequela
- T25.621ACorrosion of second degree of right foot, initial encounter
- T25.621DCorrosion of second degree of right foot, subsequent encounter
- T25.621SCorrosion of second degree of right foot, sequela
- T25.622ACorrosion of second degree of left foot, initial encounter
- T25.622DCorrosion of second degree of left foot, subsequent encounter
- T25.622SCorrosion of second degree of left foot, sequela
- T25.629ACorrosion of second degree of unspecified foot, initial encounter
- T25.629DCorrosion of second degree of unspecified foot, subsequent encounter
- T25.629SCorrosion of second degree of unspecified foot, sequela
- T25.631ACorrosion of second degree of right toe(s) (nail), initial encounter
- T25.631DCorrosion of second degree of right toe(s) (nail), subsequent encounter
- T25.631SCorrosion of second degree of right toe(s) (nail), sequela
- T25.632ACorrosion of second degree of left toe(s) (nail), initial encounter
- T25.632DCorrosion of second degree of left toe(s) (nail), subsequent encounter
- T25.632SCorrosion of second degree of left toe(s) (nail), sequela
- T25.639ACorrosion of second degree of unspecified toe(s) (nail), initial encounter
- T25.639DCorrosion of second degree of unspecified toe(s) (nail), subsequent encounter
- T25.639SCorrosion of second degree of unspecified toe(s) (nail), sequela
- T25.691ACorrosion of second degree of right ankle and foot, initial encounter
- T25.691DCorrosion of second degree of right ankle and foot, subsequent encounter
- T25.691SCorrosion of second degree of right ankle and foot, sequela
- T25.692ACorrosion of second degree of left ankle and foot, initial encounter
- T25.692DCorrosion of second degree of left ankle and foot, subsequent encounter
- T25.692SCorrosion of second degree of left ankle and foot, sequela
- T25.699ACorrosion of second degree of unspecified ankle and foot, initial encounter
- T25.699DCorrosion of second degree of unspecified ankle and foot, subsequent encounter
- T25.699SCorrosion of second degree of unspecified ankle and foot, sequela
T25.6 at a glance
| Code | T25.6 |
|---|---|
| Description | Corrosion of second degree of 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 T25.6. T25.6 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 T25.6 to fully describe the condition. T25.6 is sequenced first.
- external cause code to identify place (Y92)
Use additional code — inherited from Chapter 19
Report an additional code alongside T25.6 to fully describe the condition. T25.6 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 T25.6 to fully describe the condition. T25.6 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T25.6, but a patient may have both at the same time. When documentation supports it, T25.6 and the excluded code may both be reported.
What codes fall under T25.6? (4)
How long has T25.6 existed?
T25.6 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 T25 family? (7)
- T25.0Burn of unspecified degree of ankle and footnot billable
- T25.1Burn of first degree of ankle and footnot billable
- T25.2Burn of second degree of ankle and footnot billable
- T25.3Burn of third degree of ankle and footnot billable
- T25.4Corrosion of unspecified degree of ankle and footnot billable
- T25.5Corrosion of first degree of ankle and footnot billable
- T25.7Corrosion of third degree of ankle and footnot billable