Platelet Count


Abbrev Code:PLT   
Order Code:LAB301Order Name:Platelet Count
Synonyms:Thrombocyte Count; PLTS
CPT Codes: 85049 x1
Turnaround Time:Performed and reported 24 hours/day.
Special Instructions:
For patients with platelet clumping, draw both a light blue (Na citrate) tube and a purple (EDTA) tube.


Collection Instructions

Specimen:Blood
Optimal Volume:2-3 mL EDTA tube or 0.5 mL in an EDTA microtainer (do not fill more than 0.5 mL)
Minimum\Peds Volume:1 mL EDTA tube or 0.3 mL in an EDTA microtainer
Container:Purple (EDTA)
Collection Instructions:Immediately mix specimen 10 times by gentle inversion.
Causes for Rejection:Clotted specimen or platelet clumping.


Processing and Shipping

Specimen Processing:Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature. If more than 24 hours is required for transport, 2 unstained whole blood smears must accompany whole blood EDTA specimen.
Test Performed at or Referral Lab Hematology  (Range, UMMC-East Bank, Lakes, Ridges, Northland, Southdale, UMMC/UMMCH-West Bank, Clinics, M Health Clinic and Surgery Center, Grand Itasca, St. Joseph's, St. John's, Woodwinds)


Interpretive

Critical Range:
Less than 50, or greater than 1000 (x109/L)
Reference Range:
150-450
Use:Evaluation, diagnosis and/or follow-up of bleeding disorders, drug induced thrombocytopenia, idiopathic thrombocytopenia purpura (acute or chronic), disseminated intravascular coagulation, leukemia, and in the therapeutic management of malignant diseases. Investigation of purpura, petechiae.


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