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ICD-10 diagnosis code

D48.6 Neoplasm of uncertain or unknown behaviour: Breast

This page in Swedish

D48.6 is the ICD-10 code for Neoplasm of uncertain or unknown behaviour: Breast. It is a four-character subcategory of D48 (Neoplasm of uncertain or unknown behaviour of other and unspecified sites), the most specific level in the WHO edition. It belongs to the block D37–D48 (Neoplasms of uncertain or unknown behaviour) in Chapter II, Neoplasms.

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

What D48.6 includes

Conditions and terms that are coded here.

  • Connective tissue of breast
  • Cystosarcoma phyllodes

What D48.6 excludes

Conditions that look similar but belong under another code.

D48.6 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

D48.6Tumör av osäker eller okänd natur i bröstkörtel

  • D48.6ATumör av patologiskt osäker natur i bröstkörtel
  • D48.6BTumör av kliniskt okänd natur i bröstkörtel
NorwayICD-10-NO

Listed through more specific codes:

  • D48.60Svulst med patologisk anatomisk påvist usikkert malignitetspotensial i bryst
  • D48.61Svulst med klinisk usikkert malignitetspotensial i bryst
DenmarkICD-10-DK

DD486Ikke specificeret tumor i mamma

  • DD486APhylloides tumor i bryst af usikker eller ukendt karakter
GermanyICD-10-GM

D48.6Brustdrüse [Mamma]

FranceICD-10-FR

D48.6Sein

NetherlandsICD-10-NL

D48.6mamma

United StatesICD-10-CM

Listed through more specific codes:

  • D48.60Neoplasm of uncertain behavior of unspecified breast
  • D48.61Neoplasm of uncertain behavior of right breast
  • D48.62Neoplasm of uncertain behavior of left 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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