All ICD10 Codes

T21.65

Billable
ChapterS00–T88
Ranksubcategory
Official Description

Corrosion of second degree of buttock

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

Instructional Notes

Includes
  • Corrosion of second degree of anus
General instructions are available for the parent sections:
View CH19 NotesView T20-T25 NotesView T21 NotesView T21.6 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)
T21Burn and corrosion of trunk
T21.6Corrosion of second degree of trunk
T21.65Corrosion of second degree of buttockBillable
T21.65XACorrosion of second degree of buttock, initial encounterBillable
T21.65XDCorrosion of second degree of buttock, subsequent encounterBillable
T21.65XSCorrosion of second degree of buttock, sequelaBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T21.65:

subcategoryT21.6
Corrosion of second degree of trunk
View context instructions
categoryT21
Burn and corrosion of trunk
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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