All ICD10 Codes

T33.81

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Superficial frostbite of ankle

Use a more specific code (3 billable)
T33.811Superficial frostbite of right ankleT33.812Superficial frostbite of left ankleT33.819Superficial frostbite of unspecified ankle
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).
General instructions are available for the parent sections:
View CH19 NotesView T33-T34 NotesView T33 Notes

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T33-T34Frostbite (T33-T34)
T33Superficial frostbite
T33.8Superficial frostbite of ankle, foot, and toe(s)
T33.81Superficial frostbite of ankleNot billable
T33.811Superficial frostbite of right ankleBillable
T33.812Superficial frostbite of left ankleBillable
T33.819Superficial frostbite of unspecified ankleBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T33.81:

categoryT33
Superficial frostbite
View context instructions
blockT33-T34
Frostbite (T33-T34)
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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