Hematology Test

Platelet count/ Thrombocyte count

Dr. Simi Paknikar
Medically Reviewed by Dr. Simi Paknikar, MD
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Test : Platelet count/ Thrombocyte count

Indications : Test is used to evaluate, diagnose, and follow up bleeding disorders, purpura/petechiae, drug induced thrombocytopenia, idiopathic thrombocytopenia purpura, disseminated intravascular coagulation, leukemia, and chemotherapy management of malignant disease.

Physiology : Platelets are generally 2-3 microns diameter but large forms appear when production is increased. The production of platelets is controlled by thrombopoietin. Platelets survive for 8-10 days and are subject to circadian periodicity highest platelet counts occurring during midday. Some drugs may increase the platelet count by stimulating thrombopoietin production.

Normal Range : 150,000-450,000/mm3 (150-450 X109/L or 150,000-450,000 mL)

Interpretation : The platelet, of growing practical clinical importance in hemostatic considerations and a variety of medical/surgical processes, is also fundamental to etiology considerations of arteriosclerosis and malignant disease.
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Critical Values : <50,000 mm3 or >1,000,000/mm3

Test Method : Counts are performed on platelet rich plasma or whole blood by optical or impedance matching counting techniques.

Related Tests : Complete blood count/ Intravascular coagulation screen/ kidney profile/ Partial Thromboplastin Time/ Peripheral blood differential leukocyte count/ Platelet adhesion test/ Platelet aggregation/ Platelet Antibody/ Platelet Antibody/ Platelet Concentrate/ platelet Sizing.

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pannu, N/A

platelet count 1.18.000 and fever 100

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