ICD-11 classes
03 Diseases of the blood or blood-forming organs
Neoplasms of haematopoietic or lymphoid tissues
2B31 — Histiocytic or dendritic cell neoplasms

ICD-11 2B31 — Histiocytic or dendritic cell neoplasms

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

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code 2B31 contains 10 clarifying diagnoses:

  1. 2B31.0 — Juvenile xanthogranuloma
  2. 2B31.1 — Histiocytic sarcoma
  3. 2B31.2 — Langerhans cell histiocytosis
    It contains 2 clarifying diagnoses.
  4. 2B31.3 — Langerhans cell sarcoma
  5. 2B31.4 — Interdigitating dendritic cell sarcoma
  6. 2B31.5 — Follicular dendritic cell sarcoma
  7. 2B31.6 — Indeterminate cell histiocytosis
  8. 2B31.7 — Fibroblastic reticular cell tumour
  9. 2B31.Y — Other specified histiocytic or dendritic cell neoplasms
  10. 2B31.Z — Histiocytic or dendritic cell neoplasms, unspecified

The diagnosis is coded elsewhere:

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