Histiocytic or dendritic cell neoplasms

Definition

True histiocytic malignancies are vanishing diagnoses due to improved understanding of the provenance of malignant cells.

10 subordinate codes

• 2B31.0Juvenile xanthogranuloma
• 2B31.1Histiocytic sarcoma
• 2B31.2Langerhans cell histiocytosis
• 2B31.3Langerhans cell sarcoma
• 2B31.4Interdigitating dendritic cell sarcoma
• 2B31.5Follicular dendritic cell sarcoma
• 2B31.6Indeterminate cell histiocytosis
• 2B31.7Fibroblastic reticular cell tumour
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Neoplasms of haematopoietic or lymphoid tissues

• 2A20-2A2ZMyeloproliferative neoplasms
• 2A30-2A3ZMyelodysplastic syndromes
• 2A40-2A4ZMyelodysplastic and myeloproliferative neoplasms
• 2A50-2A5ZMyeloid or lymphoid neoplasms with eosinophilia and abnormalities of PDGFRA, PDGFRB or FGFR1
• 2A60Acute myeloid leukaemias and related precursor neoplasms
• 2A61Acute leukaemias of ambiguous lineage
• 2A70-2A7ZPrecursor lymphoid neoplasms
• 2A80-2A8ZMature B-cell neoplasms