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ICD-10 diagnosis code

C26.9 Malignant neoplasm: Ill-defined sites within the digestive system

This page in Swedish

C26.9 is the ICD-10 code for Malignant neoplasm: Ill-defined sites within the digestive system. It is a four-character subcategory of C26 (Malignant neoplasm of other and ill-defined digestive organs), 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

What C26.9 includes

Conditions and terms that are coded here.

  • Alimentary canal or tract NOS
  • Gastrointestinal tract NOS

C26.9 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

C26.9Ofullständigt angiven lokalisation av malign tumör i matsmältningsorganen

NorwayICD-10-NO

C26.9Ondartet svulst med ufullstendig angitt lokalisasjon i fordøyelsessystemet

DenmarkICD-10-DK

DC269Kræft i fordøjelseorganerne UNS

GermanyICD-10-GM

C26.9Ungenau bezeichnete Lokalisationen des Verdauungssystems

FranceICD-10-FR

C26.9Sièges mal définis de l'appareil digestif

NetherlandsICD-10-NL

C26.9slecht omschreven lokalisaties binnen spijsverteringsstelsel

United StatesICD-10-CM

C26.9Malignant neoplasm of ill-defined sites within the digestive system

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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