On a CBC, platelet count < 150,000 per µm3 is considered as thrombocytopenia. Pseudothrombocytopenia, meaning a falsely reported low platelet count, should be ruled out before confirming thrombocytopenia and performing further diagnostic tests. A peripheral blood smear and/or repeating the CBC using a non-EDTA anticoagulant help to do so. Other<unk>  findings on CBC and PBS are usually of great benefit and could narrow down the wide range of differential diagnoses for thrombocytopenia. Further<unk>  testing are only recommended when these tests are already performed and suggestive of a condition. As thrombocytopenia is closely associated with HIV and HCV infections, adults with new-onset thrombocytopenia should be evaluated for these two conditions
Thrombocytopenia laboratory findings
Polycythemia laboratory findings
Disseminated intravascular coagulation laboratory findings
Autoimmune hemolytic anemia laboratory findings
Heparin-induced thrombocytopenia laboratory findings
Thrombocytopenia physical examination
Essential thrombocytosis laboratory findings
Autoimmune hemolytic anemia physical examination