Platelet Count (PLT)

Department: Hematology
Test Synonym(s): LAB301, PLT, Platelet count
CPT Codes: 85595
Methodology: Sysmex
Reference Range: 0-7 days: 140-300 x10(3)/mcL; 7-30 days: 200-470 x10(3)/mcL; 30 days-17 yrs: 150-400 x10(3)/mcL; 17-150 yrs: 135-371 x10(3)/mcL
Tube Type: Lavender top (EDTA)
Specimen: Whole blood
Alternate Specimen: Yellow top (ACD-A)
Pediatric Requirements: Lavender top (EDTA) tube (to fill line only) or 0.5mL EDTA microtainer
Volume: 2 mL
Minimum Volume: 500uL
Temperature: Room temperature or refrigerated
Stability: 24 hours if refrigerated
Reasons for Rejection: QNS, clotted, specimen age
Days Performed: Daily
Times Performed: Continuous
TAT: Stat: 1 hour
Special Instructions: Deliver to the lab within 24 hours. Properly filled Yellow (ACD) tube may be requested as an alternate sample when platelet clumping occurs in primary EDTA tube.

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