C90.3 is the ICD-10 code for Solitary plasmacytoma. 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 C90.3 includes
Conditions and terms that are coded here.
- Localized malignant plasma cell tumour NOS
- Plasmacytoma NOS
- Solitary myeloma
C90.3 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
C90.3Solitärt plasmocytom
C90.3Solitært plasmocytom
DC903Solitært ossøst plasmacytom
C90.3Solitäres Plasmozytom
C90.3Plasmocytome solitaire
C90.3solitair plasmocytoom
Listed through more specific codes:
- C90.30Solitary plasmacytoma not having achieved remission
- C90.31Solitary plasmacytoma in remission
- C90.32Solitary plasmacytoma 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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