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Test Name:
Platelet Count
- SBMF No:
25043 - Performance Lab Name:
Hematology - Test Mnemonic:
PLT - ABN:
May be required – Medical Necessity - CPT Code:
85049 - LOINC Code:
777-3 - Also Known As:
PLT - Also See:
25014 CBC
25015 CBC with Differential
25044 Platelet Aggregation - Spec Type:
Whole blood - Spec Container:
Lavender top (EDTA) tube - Pref Vol:
5.0 mL - Min Vol:
At least one-half of full vacuum capacity for EDTA - Fasting:
No - Spec Collect:
Routine venipuncture - Spec Process:
Do not centrifuge
Do not remove plasma from cells - Spec Store Transport:
Refrigerated - Spec Stability:
24 hours refrigerated (2-8°C) - Spec Reject:
Collection tube not filled at least ½ vacuum capacity
Sample hemolyzed or contains clots - Methodology:
Pulse Measurement and Hydrodynamic Focusing - Use:
Evaluate, diagnose, and/or follow up bleeding disorders, drug-induced thrombocytopenia, idiopathic thrombocytopenia purpura (acute or chronic), disseminated intravascular coagulation, leukemia states, chemotherapeutic management of malignant disease states; investigate purpura, petechiae - Clinical Significance:
The platelet, of growing practical clinical importance in hemostatic considerations and a variety of medical/surgical processes, is also fundamental to etiologic considerations of arteriosclerotic and malignant disease. Careful estimate of platelet number from stained peripheral blood smear can provide useful information. - Reference Range:
130,000-470,000 per cu mm - Critical Low Value:
Less than or equal to (≤) 30,000 per cu mm - Critical High Value:
Equal to or greater than (≥) 1,000,000 per cu mm - Day Run:
Sun-Sat (daily) - Time Run:
As received - Time Reported:
4 hours - Test Type:
HEMATOLOGY
