All ICD10 Codes

T33

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

Superficial frostbite

Use a more specific code (3 billable, 7 non-billable)
T33.0Superficial frostbite of headhas subcodesT33.1Superficial frostbite of neckT33.2Superficial frostbite of thoraxT33.3Superficial frostbite of abdominal wall, lower back and pelvisT33.4Superficial frostbite of armhas subcodesT33.5Superficial frostbite of wrist, hand, and fingershas subcodesT33.6Superficial frostbite of hip and thighhas subcodesT33.7Superficial frostbite of knee and lower leghas subcodesT33.8Superficial frostbite of ankle, foot, and toe(s)has subcodesT33.9Superficial frostbite of other and unspecified siteshas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

T33-T34 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • hypothermia and other effects of reduced temperature (T68, T69.-)

Instructional Notes

Includes
  • frostbite with partial thickness skin loss

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T33-T34Frostbite (T33-T34)
T33Superficial frostbiteNot billable
T33.0Superficial frostbite of headSubcodes
T33.1Superficial frostbite of neckBillable
T33.2Superficial frostbite of thoraxBillable
T33.3Superficial frostbite of abdominal wall, lower back and pelvisBillable
T33.4Superficial frostbite of armSubcodes
T33.5Superficial frostbite of wrist, hand, and fingersSubcodes
T33.6Superficial frostbite of hip and thighSubcodes
T33.7Superficial frostbite of knee and lower legSubcodes
T33.8Superficial frostbite of ankle, foot, and toe(s)Subcodes
T33.9Superficial frostbite of other and unspecified sitesSubcodes

Applicable Ancestor Context

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

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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