T25.42

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Corrosion of unspecified degree of foot

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • corrosion of unspecified degree of toe(s) (nail) (T25.43-)
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T20-T25Burns and corrosions of external body surface, specified by site (T20-T25)
T25Burn and corrosion of ankle and foot
T25.4Corrosion of unspecified degree of ankle and foot
T25.42Corrosion of unspecified degree of footNot billable
T25.421Corrosion of unspecified degree of right footBillable
T25.422Corrosion of unspecified degree of left footBillable
T25.429Corrosion of unspecified degree of unspecified footBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T25.42:

subcategoryT25.4
Corrosion of unspecified degree of ankle and foot
View context instructions
blockT20-T25
Burns and corrosions of external body surface, specified by site (T20-T25)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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