ICD-10-CM › S00-T88 › T20-T25 › T25.7 Corrosion of third degree of ankle and foot › T25.79
Corrosion of third degree of multiple sites of ankle and foot
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 3 more specific codes instead:
- T25.791 Corrosion of third degree of multiple sites of right ankle and foot (also a header)
- T25.792 Corrosion of third degree of multiple sites of left ankle and foot (also a header)
- T25.799 Corrosion of third degree of multiple sites of unspecified ankle and foot (also a header)
This code requires a seventh character. See the rule below.
What has happened to this code
Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2012 Added to the draft code set draft Corrosion of third degree of multiple sites of ankle and foot
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from T25 Burn and corrosion of ankle and foot
Seventh character required
- The appropriate 7th character is to be added to each code from category T25
Inherited from the T20-T25 section Burns and corrosions of external body surface, specified by site (T20-T25)
Use additional code
- code from category T31 or T32 to identify extent of body surface involved
Includes
- burns and corrosions of first degree [erythema]
- burns and corrosions of second degree [blisters][epidermal loss]
- burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]
Codes in the same group
| Code | Description | Status |
|---|---|---|
| T25.71 | Corrosion of third degree of ankle | Not billable |
| T25.72 | Corrosion of third degree of foot | Not billable |
| T25.73 | Corrosion of third degree of toe(s) (nail) | Not billable |