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ICD-10 diagnosis code

C21.8 Malignant neoplasm: Overlapping lesion of rectum, anus and anal canal

This page in Swedish

C21.8 is the ICD-10 code for Malignant neoplasm: Overlapping lesion of rectum, anus and anal canal. It is a four-character subcategory of C21 (Malignant neoplasm of anus and anal canal), 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 C21.8 includes

Conditions and terms that are coded here.

  • Anorectal junction
  • Anorectum
  • Malignant neoplasm of rectum, anus and anal canal whose point of origin cannot be classified to any one of the categories C20-C21.2

Coding notes

  • [See note 5 at the beginning of this chapter]

C21.8 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

C21.8Malign tumör i rektum, anus och analkanalen med övergripande växt

NorwayICD-10-NO

C21.8Overlappende ondartet svulst i rektum, anus eller analkanal

DenmarkICD-10-DK

DC218Kræft i endetarm, endetarmsåbning og analkanal overgribende flere lokalisationer

GermanyICD-10-GM

C21.8Rektum, Anus und Analkanal, mehrere Teilbereiche überlappend

FranceICD-10-FR

C21.8Lésion à localisations contigües du rectum, de l'anus et du canal anal

NetherlandsICD-10-NL

C21.8neoplasma met overlappende lokalisatie van rectum, anus en anaal kanaal

United StatesICD-10-CM

C21.8Malignant neoplasm of overlapping sites of rectum, anus and anal canal

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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