ICD-11 classes
14 Diseases of the skin
Skin disorders involving specific cutaneous structures
Disorders of the dermis and subcutis
Histiocytic-granulomatous disorders of the skin
2B31.6 — Indeterminate cell histiocytosis
ICD-11 2B31.6 — Indeterminate cell histiocytosis
A very rare dendritic cell tumour composed of spindle to ovoid cells with a phenotype that is similar to the Langerhans cells. Patients usually present with cutaneous papules, nodules, and plaques. Systemic symptoms are usually absent. The clinical course is variable.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.
The diagnosis is coded elsewhere: