Histiocytic or dendritic cell neoplasms

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

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

sections/codes in this section (2B31-2B31)

• Juvenile xanthogranuloma  (2B31.0)
• Histiocytic sarcoma  (2B31.1)
• Langerhans cell histiocytosis  (2B31.2)
• Langerhans cell sarcoma  (2B31.3)
• Interdigitating dendritic cell sarcoma  (2B31.4)
• Follicular dendritic cell sarcoma  (2B31.5)
• Indeterminate cell histiocytosis  (2B31.6)
• Fibroblastic reticular cell tumour  (2B31.7)
• Other specified histiocytic or dendritic cell neoplasms  (2B31.Y)
• Histiocytic or dendritic cell neoplasms, unspecified  (2B31.Z)

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