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ICD-10 diagnosis code

T26.9 Corrosion of eye and adnexa, part unspecified

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T26.9 is the ICD-10 code for Corrosion of eye and adnexa, part unspecified. It is a four-character subcategory of T26 (Burn and corrosion confined to eye and adnexa), the most specific level in the WHO edition. It belongs to the block T26–T28 (Burns and corrosions confined to eye and internal organs) 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

T26.9 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

T26.9Frätskada med ospecificerad lokalisation på öga och närliggande organ

NorwayICD-10-NO

T26.9Etseskade i uspesifsert del av øye eller øyeomgivelser

DenmarkICD-10-DK

DT269Ætsning af øje eller øjenregion UNS

FinlandICD-10-FI

T26.9Sijainniltaan määrittämätön silmän tai sen apuelinten syöpymä

GermanyICD-10-GM

T26.9Verätzung des Auges und seiner Anhangsgebilde, Teil nicht näher bezeichnet

FranceICD-10-FR

T26.9Corrosion de l'œil et de ses annexes, partie non précisée

NetherlandsICD-10-NL

T26.9etsing van oog en adnexen, deel niet-gespecificeerd

United StatesICD-10-CM

Listed through more specific codes:

  • T26.90XACorrosion of unspecified eye and adnexa, part unspecified, initial encounter
  • T26.90XDCorrosion of unspecified eye and adnexa, part unspecified, subsequent encounter
  • T26.90XSCorrosion of unspecified eye and adnexa, part unspecified, sequela
  • T26.91XACorrosion of right eye and adnexa, part unspecified, initial encounter
  • T26.91XDCorrosion of right eye and adnexa, part unspecified, subsequent encounter
  • T26.91XSCorrosion of right eye and adnexa, part unspecified, sequela
  • T26.92XACorrosion of left eye and adnexa, part unspecified, initial encounter
  • T26.92XDCorrosion of left eye and adnexa, part unspecified, 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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