What is thrombocytosis? ? Lack of platelets?

Too many platelets. Thrombocytosis is too many platelets. Thrombocytopenia is not enough platelets.
Thrombocytosis. That is a lot of platelets usually > 750,000 ( or at times 600,000) .usually due to autoimmunue disease iron deficiency , polycythemia or a mass. Associated with increased clottiing and especially in fingers get tingling , blanching . treat with ASA f/u w/ doc http://www.nhlbi.nih.gov/health/health-topics/topics/thrm/causes.