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ICD-10 diagnosis code

T20.6 Corrosion of second degree of head and neck

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T20.6 is the ICD-10 code for Corrosion of second degree of head and neck. It is a four-character subcategory of T20 (Burn and corrosion of head and neck), the most specific level in the WHO edition. It belongs to the block T20–T25 (Burns and corrosions of external body surface, specified by site) 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

T20.6 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

T20.6Frätskada av andra graden på huvudet och halsen

NorwayICD-10-NO

T20.6Etseskade av andre grad på hode eller hals

DenmarkICD-10-DK

DT2062° ætsning på hovedet og halsen

  • DT206A2° ætsning på hovedet
  • DT206B2° ætsning på halsen
FinlandICD-10-FI

T20.6Pään tai kaulan toisen asteen syöpymä

GermanyICD-10-GM

T20.6Verätzung 2. Grades des Kopfes und des Halses

  • T20.60Verätzung Grad 2a des Kopfes und des Halses
  • T20.61Verätzung Grad 2b des Kopfes und des Halses
FranceICD-10-FR

T20.6Corrosion du deuxième degré de la tête et du cou

NetherlandsICD-10-NL

T20.6etsing van tweede graad van hoofd en hals

United StatesICD-10-CM

Listed through more specific codes:

  • T20.60XACorrosion of second degree of head, face, and neck, unspecified site, initial encounter
  • T20.60XDCorrosion of second degree of head, face, and neck, unspecified site, subsequent encounter
  • T20.60XSCorrosion of second degree of head, face, and neck, unspecified site, sequela
  • T20.611ACorrosion of second degree of right ear [any part, except ear drum], initial encounter
  • T20.611DCorrosion of second degree of right ear [any part, except ear drum], subsequent encounter
  • T20.611SCorrosion of second degree of right ear [any part, except ear drum], sequela
  • T20.612ACorrosion of second degree of left ear [any part, except ear drum], initial encounter
  • T20.612DCorrosion of second degree of left ear [any part, except ear drum], subsequent encounter
  • and 25 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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