ICD-10 diagnosis code

C50.2 Malignant neoplasm: Upper-inner quadrant of breast

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C50.2 is the ICD-10 code for Malignant neoplasm: Upper-inner quadrant of breast. It is a four-character subcategory of C50 (Malignant neoplasm of breast), the most specific level in the WHO edition. It belongs to the block C50–C50 (Malignant neoplasm of breast) in Chapter II, Neoplasms.

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

C50.2 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

NorwayICD-10-NO

C50.2Ondartet svulst i øvre indre kvadrant av bryst

DenmarkICD-10-DK

DC502Brystkræft i den øvre mediale kvadrant af mamma

FinlandICD-10-FI

C50.2Rinnan yläsisäneljänneksen syöpä

GermanyICD-10-GM

C50.2Oberer innerer Quadrant der Brustdrüse

FranceICD-10-FR

C50.2Quadrant supéro-interne du sein

NetherlandsICD-10-NL

C50.2binnenste bovenkwadrant van mamma

United StatesICD-10-CM

Listed through more specific codes:

  • C50.211Malignant neoplasm of upper-inner quadrant of right female breast
  • C50.212Malignant neoplasm of upper-inner quadrant of left female breast
  • C50.219Malignant neoplasm of upper-inner quadrant of unspecified female breast
  • C50.221Malignant neoplasm of upper-inner quadrant of right male breast
  • C50.222Malignant neoplasm of upper-inner quadrant of left male breast
  • C50.229Malignant neoplasm of upper-inner quadrant of unspecified male breast

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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