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Test Code Plt Platelet Count

Aliases

PLT

Useful For

Measures the average number of platelets in the blood. Platelets help the blood heal wounds and prevent excessive bleeding.

Collection Method

Venous draw, Capillary Draw

Minimum Volume

Adult: 1 mL, Pediatric 300 uL

Container

Purple (EDTA)

Preferred Specimen

Whole Blood

Acceptable Specimens

EDTA Whole Blood, BD EDTA MAP tube

Reference or Target Ranges

Platelets
Birth – 5 months 150-350 × 109/L
6 months and older 150 – 450 × 109/L

Reportable Units

x 10^9 /L

Critical Value

Parameter Low value High value
Platelets (any age) <20 × 109/L >1,000 × 109/L

Reasons for Rejection

Hemolysis Threshold N/A
Icterus Threshold N/A
Lipemia Threshold N/A
Other Clotted; QNS, Contaminated; improperly labeled

Specimen Stability

Ambient Up to 24 hours at room temperature
Refrigerated (4°C to 8°C) 24 Hours
Frozen(-70°C to 0°C) N/A

Performance Information

Days and Time Performed 24/7
Expected Turn Around Time Stat within 1 hour of arrival in lab
Expedite within 2 hours of arrival in lab
Routine within 4 hours of arrival in lab
Stat Availabilty Yes
Performing Bench UH, WCH Hematology
Methodology/Method Description Sysmex – Measured using electronic resistance detection

Special Handling

Room Temp

CPT Codes

85049

Reflex Testing

Pathology QA reviews