All ICD10 Codes

T24.5

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Corrosion of first degree of lower limb, except ankle and foot

Use a more specific code (0 billable, 5 non-billable)
T24.50Corrosion of first degree of unspecified site of lower limb, except ankle and foothas subcodesT24.51Corrosion of first degree of thighhas subcodesT24.52Corrosion of first degree of kneehas subcodesT24.53Corrosion of first degree of lower leghas subcodesT24.59Corrosion of first degree of multiple sites of lower limb, except ankle and foothas subcodes
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

Code First
  • (T51-T65) to identify chemical and intent
Use Additional Code
  • external cause code to identify place (Y92)
General instructions are available for the parent sections:
View CH19 NotesView T20-T25 NotesView T24 Notes

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)
T24Burn and corrosion of lower limb, except ankle and foot
T24.5Corrosion of first degree of lower limb, except ankle and footNot billable
T24.50Corrosion of first degree of unspecified site of lower limb, except ankle and footSubcodes
T24.51Corrosion of first degree of thighSubcodes
T24.52Corrosion of first degree of kneeSubcodes
T24.53Corrosion of first degree of lower legSubcodes
T24.59Corrosion of first degree of multiple sites of lower limb, except ankle and footSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T24.5:

categoryT24
Burn and corrosion of lower limb, except 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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