EK92

ICD-11 MMS 2026-01

Histiocytoses of uncertain malignant potential

Description

Disorders characterised by abnormal proliferation of dendritic cells and macrophages. The proliferation may or may not be clonal and the prognosis is unpredictable.

Index terms

  • Histiocytoses of uncertain malignant potential
  • Systemic non-Langerhans cell histiocytosis
  • Faisalabad histiocytosis
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  • Sea-blue histiocytosis
  • Sinus histiocytosis with massive lymphadenopathy
  • Rosai-Dorfman disease

Foundation children elsewhere

  • 2B31.2 – Langerhans cell histiocytosis
  • 2B31.6 – Indeterminate cell histiocytosis

Sibling codes

  • EK90 – Actinic keratosis and other discrete epidermal dysplasias
  • EK91 – Dermatoses which may presage cutaneous lymphoma

Foundation entity

Histiocytoses of uncertain malignant potential – http://id.who.int/icd/entity/1252027455

Part of: 14: Diseases of the skin