C90.0 is the ICD-10 code for Multiple myeloma. It is a four-character subcategory of C90 (Multiple myeloma and malignant plasma cell neoplasms), 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
What C90.0 includes
Conditions and terms that are coded here.
- Kahler disease
- Medullary plasmacytoma
- Myelomatosis
- Plasma cell myeloma
What C90.0 excludes
Conditions that look similar but belong under another code.
- solitary plasmacytoma C90.3
C90.0 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
C90.0Multipelt myelom
C90.0Myelomatose
DC900Myelomatose
- DC900AAsymptomatisk myelomatose (smoldering)
C90.0Multippeli myelooma
C90.0Multiples Myelom
C90.0Myélome multiple
C90.0multipel myeloom
Listed through more specific codes:
- C90.00Multiple myeloma not having achieved remission
- C90.01Multiple myeloma in remission
- C90.02Multiple myeloma in relapse
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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