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ICD-10 diagnosis code

T21.7 Corrosion of third degree of trunk

This page in Swedish

T21.7 is the ICD-10 code for Corrosion of third degree of trunk. It is a four-character subcategory of T21 (Burn and corrosion of trunk), 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

T21.7 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

T21.7Frätskada av tredje graden på bålen

NorwayICD-10-NO

T21.7Etseskade av tredje grad på trunkus

DenmarkICD-10-DK

DT2173° ætsning på truncus

FinlandICD-10-FI

T21.7Vartalon kolmannen asteen syöpymä

GermanyICD-10-GM

T21.7Verätzung 3. Grades des Rumpfes

FranceICD-10-FR

T21.7Corrosion du troisième degré du tronc

NetherlandsICD-10-NL

T21.7etsing van derde graad van romp

United StatesICD-10-CM

Listed through more specific codes:

  • T21.70XACorrosion of third degree of trunk, unspecified site, initial encounter
  • T21.70XDCorrosion of third degree of trunk, unspecified site, subsequent encounter
  • T21.70XSCorrosion of third degree of trunk, unspecified site, sequela
  • T21.71XACorrosion of third degree of chest wall, initial encounter
  • T21.71XDCorrosion of third degree of chest wall, subsequent encounter
  • T21.71XSCorrosion of third degree of chest wall, sequela
  • T21.72XACorrosion of third degree of abdominal wall, initial encounter
  • T21.72XDCorrosion of third degree of abdominal wall, subsequent encounter
  • and 19 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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