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Histopathology
Plasma cell tumours

XH4XA9 category

Plasma cell myeloma

Also indexed as

Multiple myelomaMyeloma, NOSMyelomatosisPlasma cell myeloma

Nearby in Plasma cell tumours

XH4BL1Plasmacytoma, NOS
XH7GC9Plasma cell leukaemia
XH0N40Plasmacytoma, extramedullary
XH6YR5Plasmablastic lymphoma
XH1EB9ALK positive large B-cell lymphoma
XH5HJ5Large B-cell lymphoma arising in HHV8-associated multicentric Castleman disease

PreviousXH4BL1 — Plasmacytoma, NOS NextXH7GC9 — Plasma cell leukaemia

Browse ICD-11

01Certain infectious or parasitic diseases
02Neoplasms
03Diseases of the blood or blood-forming organs
04Diseases of the immune system
05Endocrine, nutritional or metabolic diseases
06Mental, behavioural or neurodevelopmental disorders
07Sleep-wake disorders
08Diseases of the nervous system
09Diseases of the visual system
10Diseases of the ear or mastoid process
11Diseases of the circulatory system
12Diseases of the respiratory system
13Diseases of the digestive system
14Diseases of the skin
15Diseases of the musculoskeletal system or connective tissue
16Diseases of the genitourinary system
17Conditions related to sexual health
18Pregnancy, childbirth or the puerperium
19Certain conditions originating in the perinatal period
20Developmental anomalies
21Symptoms, signs or clinical findings, not elsewhere classified
22Injury, poisoning or certain other consequences of external causes
23External causes of morbidity or mortality
24Factors influencing health status or contact with health services
25Codes for special purposes
26Supplementary Chapter Traditional Medicine Conditions
VSupplementary section for functioning assessment
XExtension Codes
Temporality
Aetiology
Topology Scale Value
Anatomy and topography
Histopathology
Dimensions of injury
Dimensions of external causes
Consciousness
Substances
5 more
Other haematologic disorders
Chronic myeloproliferative disorders
Leukaemias
Hodgkin and non-Hodgkin lymphomas
Immunoproliferative diseases
Plasma cell tumours
Mast cell tumours
Neoplasms of histiocytes and accessory lymphoid cells
Histopathology by behaviour
41 more
XH4BL1Plasmacytoma, NOS
XH4XA9Plasma cell myeloma
XH7GC9Plasma cell leukaemia
XH0N40Plasmacytoma, extramedullary
XH6YR5Plasmablastic lymphoma
XH1EB9ALK positive large B-cell lymphoma
XH5HJ5Large B-cell lymphoma arising in HHV8-associated multicentric Castleman disease

International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).

Release 2026-01. View this entity in the official WHO ICD-11 browser.

This page reproduces WHO classification content for reference. It is not medical advice and must not be used to diagnose or treat. For coding decisions, consult the official release and your national coding guidelines.

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