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Test Code CITPLT Citrated Platelet Count (Platelet in Blue top)

Important Note

This test should only be ordered on patients with known platelet clumping and must be collected in a blue top tube.

Methodology

Automated and/or Manual

This test is useful for evaluating, diagnosing, and following up bleeding disorders, disseminated intravascular coagulation, drug induced thrombocytopenia, leukemia, purpura/petechiae, thrombocytosis, and for chemotherapeutic management of malignant disease.

Performing Laboratory

St. Clair Hospital Laboratory

Specimen Requirements

**Do NOT spin tube.**

1 light blue-top (3.2% Sodium Citrate) tube (0.3 mL of Citrated whole blood). 

Stability:

Room Temperature: 24 hours

Refrigerated: 48 hours; Allow refrigerated samples to come to room temperature and mix well before analysis.

Reference Values

150-450 K/µL

Critical values (automatic call-back):  <50 K/µL or >1,000 K/µL

Day(s) Test Set Up

Monday through Sunday