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XExtension Codes
Histopathology
Neoplasms of histiocytes and accessory lymphoid cells
Neoplasms of histiocytes and accessory lymphoid cells, malignant

XH8VV4 category

Histiocytosis X, NOS

Also indexed as

Histiocytosis X, NOS

Nearby in Neoplasms of histiocytes and accessory lymphoid cells, malignant

XH2WJ3Malignant histiocytosis
XH7PV7Histiocytic medullary reticulosis
XH4XT4Acute progressive histiocytosis X
XH86U0Hand-Schuller-Christian disease
XH60Q1Letterer-Siwe disease
XH0YE1Nonlipid reticuloendotheliosis
XH40U7Langerhans cell histiocytosis, disseminated
XH4JD4Histiocytic sarcoma

PreviousXH4XT4 — Acute progressive histiocytosis X NextXH86U0 — Hand-Schuller-Christian disease

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
Neoplasms of histiocytes and accessory lymphoid cells, malignant
Neoplasms of histiocytes and accessory lymphoid cells, uncertain whether benign or malignant
XH2WJ3Malignant histiocytosis
XH7PV7Histiocytic medullary reticulosis
XH4XT4Acute progressive histiocytosis X
XH8VV4Histiocytosis X, NOS
XH86U0Hand-Schuller-Christian disease
XH60Q1Letterer-Siwe disease
XH0YE1Nonlipid reticuloendotheliosis
XH40U7Langerhans cell histiocytosis, disseminated
XH4JD4Histiocytic sarcoma
XH46Q0True histiocytic lymphoma
XH8J76Langerhans cell sarcoma
XH7UM7Interdigitating dendritic cell sarcoma
XH8Q19Dendritic cell sarcoma, NOS
XH3ZM0Indeterminate dendritic cell tumour
XH1JT6Follicular dendritic cell sarcoma
3 more

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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