D47: Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue
D47.3: Essential (hemorrhagic) thrombocythemia

inclusionTerm
Essential thrombocytosis
Idiopathic hemorrhagic thrombocythemia
Primary thrombocytosis

excludes2
reactive thrombocytosis (D75.838)
secondary thrombocytosis (D75.838)
thrombocythemia NOS (D75.839)
thrombocytosis NOS (D75.839)

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