Platelet count

Test Code
PLTC


Alias/See Also
Plt count automated


Preferred Specimen
Adult:         5-7mL whole blood, based on tube size (1.0mL minimum)
Pediatric:  3mL whole blood (0.5mL minimum)
Neonate:  0.5mL whole blood in microtainer


Transport Container
EDTA (lavender/purple top)


Specimen Stability
Room temperature: 48 hours, Refrigerated: 2 days, Frozen: unacceptable


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted or grossly hemolyzed specimens are unacceptable.


Limitations
The following will interfere with results: Fibrin, bacterial contamination, platelet clumps, abnormal proteins, cold agglutinins, extreme temperature conditions, resistant hemoglobin, abnormal chemistries and specimens older than 48 hours.


Reference Range

 

Age Male Female
Adult (>18 years): 163-337 x10(3)/mcL 182-369 x10(3)/mcL
Pediatric:    
0–13 days 150-450 150-450
2 weeks-11 months 150-400 150-400
1-12 years 140-400 140-400
13-18 years 150-450 150-450


Clinical Significance
Platelet Count – Platelets must be present in adequate numbers and have proper function to aid in hemostasis. A normal bleeding time is dependent on adequate platelet number and function.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.