All ICD10 Codes

T33.7

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Superficial frostbite of knee and lower leg

Use a more specific code (3 billable)
T33.70Superficial frostbite of unspecified knee and lower legT33.71Superficial frostbite of right knee and lower legT33.72Superficial frostbite of left knee and lower leg
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.)
  • superficial frostbite of ankle and foot (T33.8-)
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
T33.7Superficial frostbite of knee and lower legNot billable
T33.70Superficial frostbite of unspecified knee and lower legBillable
T33.71Superficial frostbite of right knee and lower legBillable
T33.72Superficial frostbite of left knee and lower legBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T33.7:

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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