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ICD-10 diagnosis code

T33.7 Superficial frostbite of knee and lower leg

This page in Swedish

T33.7 is the ICD-10 code for Superficial frostbite of knee and lower leg. It is a four-character subcategory of T33 (Superficial frostbite), the most specific level in the WHO edition. It belongs to the block T33–T35 (Frostbite) in Chapter XIX, Injury, poisoning and certain other consequences of external causes.

Code type
Subcategory (4 characters)
Chapter
XIX · S00–T98
Classification
WHO ICD-10, 2019 version

What T33.7 excludes

Conditions that look similar but belong under another code.

  • superficial frostbite of ankle and foot alone T33.8

T33.7 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

T33.7Ytlig köldskada på knä och underben

NorwayICD-10-NO

T33.7Overfladisk frostskade på kne eller legg

DenmarkICD-10-DK

DT337Overfladisk forfrysning på knæ eller underben

FinlandICD-10-FI

T33.7Polven ja/tai säären alueen pinnallinen paleltumavamma

GermanyICD-10-GM

T33.7Oberflächliche Erfrierung des Knies und des Unterschenkels

FranceICD-10-FR

T33.7Gelure superficielle du genou et de la jambe

NetherlandsICD-10-NL

T33.7oppervlakkige bevriezing van knie en onderbeen

United StatesICD-10-CM

Listed through more specific codes:

  • T33.70XASuperficial frostbite of unspecified knee and lower leg, initial encounter
  • T33.70XDSuperficial frostbite of unspecified knee and lower leg, subsequent encounter
  • T33.70XSSuperficial frostbite of unspecified knee and lower leg, sequela
  • T33.71XASuperficial frostbite of right knee and lower leg, initial encounter
  • T33.71XDSuperficial frostbite of right knee and lower leg, subsequent encounter
  • T33.71XSSuperficial frostbite of right knee and lower leg, sequela
  • T33.72XASuperficial frostbite of left knee and lower leg, initial encounter
  • T33.72XDSuperficial frostbite of left knee and lower leg, subsequent encounter
  • and 1 more national subcodes

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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