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Platelet Count
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
PLTC
Alias/See Also
70234;
Platelet;
PLT;
Plt Count;
Thrombocytes Count;
Platelet;
PLT;
Plt Count;
Thrombocytes Count;
CPT Codes
85049
Preferred Specimen
3 mL or 4 mL whole blood K2EDTA (lavender top) tube(s) or K2EDTA (Microtainer® lavender top) tube(s).
Minimum Volume
Minimum fill 1 mL (Microtainer® filled between the 2 lines).
Instructions
Avoid hemolysis. Gently invert 10 times immediately at time of collection.
Transport Container
K2EDTA (lavender top) tube
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature = 24 hours
Refrigerated = 48 hours
Refrigerated = 48 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Rejected for gross hemolysis, clotted, <1 mL, non-EDTA tube type, >48 hours old, frozen.
Methodology
Automated Cell Counter, Review of peripheral smear if criteria is met.
Setup Schedule
Sunday - Saturday
HE
HE
Limitations
Platelet clumping, if present an estimate will be given i.e. Decreased, adequate or increased. A numeral result is not possible if clumping is present.
Performing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439
Last Updated: August 4, 2022
