Hematology

Platelet Count (PLT)

Normal Range
150,000 - 450,000 cells/µL
Sample Type
Standard
Fasting
No
Unit
x10^3/µL

Platelets (thrombocytes) are essential components of the Hemostatic system, responsible for primary clot formation. Within a Complete Blood Count (CBC), the platelet count is used to evaluate the body's ability to stop bleeding and to monitor bone marrow function. A decrease in platelets can lead to spontaneous bruising or hemorrhage, while an increase may predispose a patient to thrombosis (clotting) or signify an underlying myeloproliferative disorder.

Check Your Result

Check Your Result

Interactive
x10^3/µL

Enter your lab result to see where you stand compared to the standard reference range.

Why Context Matters

Pseudothrombocytopenia is a common confounding factor where platelets clump in the presence of EDTA anticoagulant (the purple-top tube), leading to an artificially low reading. Intense exercise, high altitude, and recent trauma can also acutely fluctuate levels.

Lab ranges are statistical averages, not biological laws. "Normal" for a 20-year-old male isn't normal for a 60-year-old female.

Clinical References

Source-of-truth databases and clinical guidelines for Platelet Count (PLT):

Related Indicators

DR

Medically Reviewed by Dr. Binoy Babu, MBBS

Board Certified Doctor • 10+ Years Clinical Experience

Dr. Babu is a practicing physician dedicated to empowering patients with clear, actionable medical information. He founded 2opi to bridge the gap between complex lab reports and patient understanding, ensuring everyone has access to a reliable second opinion.

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