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ICD-10 diagnosis code

C85.1 B-cell lymphoma, unspecified

This page in Swedish

C85.1 is the ICD-10 code for B-cell lymphoma, unspecified. It is a four-character subcategory of C85 (Other and unspecified types of non-Hodgkin lymphoma), the most specific level in the WHO edition. It belongs to the block C81–C96 (Malignant neoplasms, stated or presumed to be primary, of lymphoid, haematopoietic and related tissue) in Chapter II, Neoplasms.

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

Coding notes

  • If B-cell lineage or involvement is mentioned in conjunction with a specific lymphoma, code to the more specific description.

C85.1 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

C85.1B-cellslymfom, ospecificerat

  • C85.1AB-cellslymfom, lågmalignt, ospecificerat
  • C85.1BB-cellslymfom, högmalignt, ospecificerat
NorwayICD-10-NO

C85.1Uspesifisert B-cellelymfom

DenmarkICD-10-DK

DC851B-celle lymfom UNS

FinlandICD-10-FI

C85.1Määrittämätön B-solulymfooma

GermanyICD-10-GM

C85.1B-Zell-Lymphom, nicht näher bezeichnet

FranceICD-10-FR

C85.1Lymphomes à cellules B, sans précision

NetherlandsICD-10-NL

C85.1B-cellymfoom, niet-gespecificeerd

United StatesICD-10-CM

Listed through more specific codes:

  • C85.10Unspecified B-cell lymphoma, unspecified site
  • C85.11Unspecified B-cell lymphoma, lymph nodes of head, face, and neck
  • C85.12Unspecified B-cell lymphoma, intrathoracic lymph nodes
  • C85.13Unspecified B-cell lymphoma, intra-abdominal lymph nodes
  • C85.14Unspecified B-cell lymphoma, lymph nodes of axilla and upper limb
  • C85.15Unspecified B-cell lymphoma, lymph nodes of inguinal region and lower limb
  • C85.16Unspecified B-cell lymphoma, intrapelvic lymph nodes
  • C85.17Unspecified B-cell lymphoma, spleen
  • and 3 more national subcodes

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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