Thrombocytopenia laboratory findings
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1], Associate Editor(s)-in-Chief: Farbod Zahedi Tajrishi, M.D.
Overview
Laboratory Findings
Laboratory tests might include: full blood count (CBC), liver enzymes, renal function, vitamin B12 levels, folic acid levels, erythrocyte sedimentation rate, and peripheral blood smear.
On a CBC, platelet count < 150,000 per µm3 is considered as thrombocytopenia. These limits, however, are determined by the 2.5th lower and upper percentile, and a deviation does not necessarily imply any form of disease. The number of platelets in a blood sample also decreases quickly with time and a low platelet count may be caused by a delay between sampling and analysis. pseudothrombocytopenia......