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ICD-10 diagnosis code

T18.4 Foreign body in colon

This page in Swedish

T18.4 is the ICD-10 code for Foreign body in colon. It is a four-character subcategory of T18 (Foreign body in alimentary tract), the most specific level in the WHO edition. It belongs to the block T15–T19 (Effects of foreign body entering through natural orifice) 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

T18.4 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

T18.4Främmande kropp i tjocktarmen

NorwayICD-10-NO

T18.4Fremmedlegeme i tykktarm

DenmarkICD-10-DK

DT184Fremmedlegeme i tyktarmen

  • DT184AFremmedlegeme i colon sigmoideum
FinlandICD-10-FI

T18.4Koolonin vierasesine

GermanyICD-10-GM

T18.4Fremdkörper im Dickdarm

FranceICD-10-FR

T18.4Corps étranger dans le côlon

NetherlandsICD-10-NL

T18.4corpus alienum in colon

United StatesICD-10-CM

Listed through more specific codes:

  • T18.4XXAForeign body in colon, initial encounter
  • T18.4XXDForeign body in colon, subsequent encounter
  • T18.4XXSForeign body in colon, sequela

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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