you are having celiac disease in which because of malabsorption vitamin b12 deficiency and folate deficiency can occur. this deficiency also can be developed if polycythemia present in which proliferation more. here hemoglobin and hct is high as per history. hence if it is persistently elevated then polycythemia a form of blood cancer should be ruled out. for that one molecular investigation useful that is the detection of jak2 mutation. if polycythemia confirmed then phlebotomy is done regularly and other suitable medication prescribed like anagrelide that prevents thrombosis in such case if platelet count also high in cbc. rule out metastatic hodgkin's lymphoma also as you have a history by ct scan and bone marrow biopsy study. celiac disease is a form of autoimmune disease and gluten-free diet prescribed for that. take care. consult nearby oncologist for examination with keeping all this in mind. for further information consult a hematologist online --> <link>
why do i have persistently high hb and hct?