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Test Code PLT Platelet Count

Important Note

Mixed specimen throughly by gentle inversion (8-10 times) immediately after collection

Performing Laboratory

Memorial Hospital Laboratory- Automated Procedures  304-388-5953       
General Hospital Laboratory 304-388-6244
Women and Children's Hospital Laboratory 304-388-2385
Teays Valley Hospital Laboratory 304-757-1770
Cancer Center Laboratory 304-388-831
Plateau Medical Center Laboratory 304-469-8621
Greenbrier Valley Laboratory 304-647-6060

Specimen Requirements

Whole Blood-Lavender-top (EDTA) tube or microtainer

3 mL of  whole blood (minimum 1 full microtainer)

Specimen Rejection

  • Improperly labeled, collected, stored, and transported
  • Quantity not sufficient
  • Clotted specimen
  • Grossly hemolyzed
  • Contaminated

Storage and Stability

Room Temperature 18-24o C 24 hours
Refrigerate 2-8o C 48 hours
Frozen Unacceptable

Specimens analyzed on back up instruments at Cancer Center, Teays Valley or Women's and Childrens cannot be analzed if refrigerated longer than 8 hours.

Reference Values

  Male Female Male Female M/F M/F M/F
  >18yo >18yo 10-18yo 10-18yo 2-10yo 1mon-2yr 0-1 month
x103/mcL 140-450 140-450 125-365 126-404 163-461 188-506 137-475

 

Critical Value: < 30 x103/mcL or > 1000 x103/mcL

Methodology

Coulter principle or hemacytometer

Days Test Set Up and Turnaround

Monday through Sunday, Continuously

AM Collection Expected by 9AM same day
Routine Expected within 24 hrs
Stat Expected within 1 hr
Timed Expected results are test dependant

CPT Coding

85049

Additional Information

A blue top (Sodium Cirate tube) may be collected due to EDTA causing platelets to clump.