Osteomyelofibrosis

**Inclusion terms:** - Chronic idiopathic myelofibrosis - Myelofibrosis (idiopathic) (with myeloid metaplasia) - Myelosclerosis (megakaryocytic) with myeloid metaplasia - Secondary myelofibrosis in myeloproliferative disease

**Excludes1:** - acute myelofibrosis (C94.4-)