All ICD10 Codes

T21.6

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Corrosion of second degree of trunk

Use a more specific code (9 billable)
T21.60Corrosion of second degree of trunk, unspecified siteT21.61Corrosion of second degree of chest wallT21.62Corrosion of second degree of abdominal wallT21.63Corrosion of second degree of upper backT21.64Corrosion of second degree of lower backT21.65Corrosion of second degree of buttockT21.66Corrosion of second degree of male genital regionT21.67Corrosion of second degree of female genital regionT21.69Corrosion of second degree of other site of trunk
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 T21 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 trunkNot billable
T21.60Corrosion of second degree of trunk, unspecified siteBillable
T21.61Corrosion of second degree of chest wallBillable
T21.62Corrosion of second degree of abdominal wallBillable
T21.63Corrosion of second degree of upper backBillable
T21.64Corrosion of second degree of lower backBillable
T21.65Corrosion of second degree of buttockBillable
T21.66Corrosion of second degree of male genital regionBillable
T21.67Corrosion of second degree of female genital regionBillable
T21.69Corrosion of second degree of other site of trunkBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T21.6:

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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