T25.7 — Corrosion of third degree of ankle and foot
Is T25.7 billable?
No — T25.7 is a non-billable header code. T25.7 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 T25.7.
Billable codes under this header
- T25.711ACorrosion of third degree of right ankle, initial encounter
- T25.711DCorrosion of third degree of right ankle, subsequent encounter
- T25.711SCorrosion of third degree of right ankle, sequela
- T25.712ACorrosion of third degree of left ankle, initial encounter
- T25.712DCorrosion of third degree of left ankle, subsequent encounter
- T25.712SCorrosion of third degree of left ankle, sequela
- T25.719ACorrosion of third degree of unspecified ankle, initial encounter
- T25.719DCorrosion of third degree of unspecified ankle, subsequent encounter
- T25.719SCorrosion of third degree of unspecified ankle, sequela
- T25.721ACorrosion of third degree of right foot, initial encounter
- T25.721DCorrosion of third degree of right foot, subsequent encounter
- T25.721SCorrosion of third degree of right foot, sequela
- T25.722ACorrosion of third degree of left foot, initial encounter
- T25.722DCorrosion of third degree of left foot, subsequent encounter
- T25.722SCorrosion of third degree of left foot, sequela
- T25.729ACorrosion of third degree of unspecified foot, initial encounter
- T25.729DCorrosion of third degree of unspecified foot, subsequent encounter
- T25.729SCorrosion of third degree of unspecified foot, sequela
- T25.731ACorrosion of third degree of right toe(s) (nail), initial encounter
- T25.731DCorrosion of third degree of right toe(s) (nail), subsequent encounter
- T25.731SCorrosion of third degree of right toe(s) (nail), sequela
- T25.732ACorrosion of third degree of left toe(s) (nail), initial encounter
- T25.732DCorrosion of third degree of left toe(s) (nail), subsequent encounter
- T25.732SCorrosion of third degree of left toe(s) (nail), sequela
- T25.739ACorrosion of third degree of unspecified toe(s) (nail), initial encounter
- T25.739DCorrosion of third degree of unspecified toe(s) (nail), subsequent encounter
- T25.739SCorrosion of third degree of unspecified toe(s) (nail), sequela
- T25.791ACorrosion of third degree of multiple sites of right ankle and foot, initial encounter
- T25.791DCorrosion of third degree of multiple sites of right ankle and foot, subsequent encounter
- T25.791SCorrosion of third degree of multiple sites of right ankle and foot, sequela
- T25.792ACorrosion of third degree of multiple sites of left ankle and foot, initial encounter
- T25.792DCorrosion of third degree of multiple sites of left ankle and foot, subsequent encounter
- T25.792SCorrosion of third degree of multiple sites of left ankle and foot, sequela
- T25.799ACorrosion of third degree of multiple sites of unspecified ankle and foot, initial encounter
- T25.799DCorrosion of third degree of multiple sites of unspecified ankle and foot, subsequent encounter
- T25.799SCorrosion of third degree of multiple sites of unspecified ankle and foot, sequela
T25.7 at a glance
| Code | T25.7 |
|---|---|
| Description | Corrosion of third 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 T25.7. T25.7 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 T25.7 to fully describe the condition. T25.7 is sequenced first.
- external cause code to identify place (Y92)
Use additional code — inherited from Chapter 19
Report an additional code alongside T25.7 to fully describe the condition. T25.7 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 T25.7 to fully describe the condition. T25.7 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T25.7, but a patient may have both at the same time. When documentation supports it, T25.7 and the excluded code may both be reported.
What codes fall under T25.7? (4)
How long has T25.7 existed?
T25.7 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
- T25.6Corrosion of second degree of ankle and footnot billable