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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Platelet count
Test CodePLTC
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
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.