ICD-10 diagnosis code

C90 Multiple myeloma and malignant plasma cell neoplasms

C90 is the ICD-10 code for Multiple myeloma and malignant plasma cell neoplasms. It is a three-character category divided into 4 subcodes; use the subcode whenever the record supports that level of detail. 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: Category (3 characters)
Chapter: II · C00–D48
Classification: WHO ICD-10, 2019 version

Subcodes of C90

C90 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

C90Myelom och maligna plasmacellstumörer

DenmarkICD-10-DK

DC90Maligne plasmacelle neoplasier

FinlandICD-10-FI

C90Multippeli myelooma ja plasmasolujen pahanlaatuiset kasvaimet

GermanyICD-10-GM

C90Plasmozytom und bösartige Plasmazellen-Neubildungen

FranceICD-10-FR

C90Myélome multiple et tumeurs malignes à plasmocytes

NetherlandsICD-10-NL

C90multipel myeloom en maligne neoplasmata van plasmacellen

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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