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ICD-10 diagnosis code

C18.6 Malignant neoplasm: Descending colon

This page in Swedish

C18.6 is the ICD-10 code for Malignant neoplasm: Descending colon. It is a four-character subcategory of C18 (Malignant neoplasm of colon), the most specific level in the WHO edition. It belongs to the block C15–C26 (Malignant neoplasms of digestive organs) in Chapter II, Neoplasms.

Code type
Subcategory (4 characters)
Chapter
II · C00–D48
Classification
WHO ICD-10, 2019 version

C18.6 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

C18.6Malign tumör i colon descendens

NorwayICD-10-NO

C18.6Ondartet svulst i colon descendens

DenmarkICD-10-DK

DC186Kræft i colon descendens

FinlandICD-10-FI

C18.6Laskevan koolonin syöpä

GermanyICD-10-GM

C18.6Colon descendens

FranceICD-10-FR

C18.6Côlon descendant

NetherlandsICD-10-NL

C18.6colon descendens

United StatesICD-10-CM

C18.6Malignant neoplasm of descending colon

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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