| 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 Aggregation Tucson (includes Path Interpretation)
MessagePerformed at BUMCT
IMPORTANT NOTE: Performed Monday - Friday ONLY before 1400
AZ Locations - Call for STAT courier prior to collecting the sample, coordinate collection time with arrival time of the courier.
DO NOT TRANSPORT VIA THE TUBE SYSTEM.
Must be received at BUMCT within 1 hour of collection.
DO NOT collect outside of BUMCS and BUMCT main lab (i.e. at clinic)
IMPORTANT NOTE: Performed Monday - Friday ONLY before 1400
AZ Locations - Call for STAT courier prior to collecting the sample, coordinate collection time with arrival time of the courier.
DO NOT TRANSPORT VIA THE TUBE SYSTEM.
Must be received at BUMCT within 1 hour of collection.
DO NOT collect outside of BUMCS and BUMCT main lab (i.e. at clinic)
Test Code
PLTAGGR (Tucson)
Alias/See Also
Ristocetin Aggregation
Includes
Tests included in the panel:
ADP
Collagen (Weak and Strong)
Epinephrine
Ristocetin (Weak and Strong)
Arachidonic Acid
ADP
Collagen (Weak and Strong)
Epinephrine
Ristocetin (Weak and Strong)
Arachidonic Acid
Preferred Specimen
3.2% sodium citrate – 3 blue top tubes (2.7 mL each); Whole blood - DO NOT CENTRIFUGE
Instructions
Patient should be fasting for 8 hours prior to have their blood drawn.
Patient should not have taken Aspirin or Aspirin containing drugs for 7-10 days prior to testing.
Platelet counts below 100,000/mm3 may give variable results and should not be used.
Setup Schedule
Performed at BUMCT Monday – Friday
Please draw Monday-Friday between 0730-1400
Must hand deliver and arrive to BUMCT by 1400.
Samples received after 1400 may be cancelled by Special Procedures.
Patient should not have taken Aspirin or Aspirin containing drugs for 7-10 days prior to testing.
Platelet counts below 100,000/mm3 may give variable results and should not be used.
Setup Schedule
Performed at BUMCT Monday – Friday
Please draw Monday-Friday between 0730-1400
Must hand deliver and arrive to BUMCT by 1400.
Samples received after 1400 may be cancelled by Special Procedures.
Transport Temperature
Room Temperature
Specimen Stability
4 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
| · Plasma and cells are separated |
| · Delivered by pneumatic tube |
| · Incorrect anti-coagulant |
| · Specimen past stability |
| · Underfilled or overfilled tube |
| · Specimens collected in expired tubes |
| · Clotted, Hemolyzed, Icteric and Lipemic samples |
| · Patient’s platelet count <100,000/ul |
| · Refrigerated, chilled on ice or frozen samples |
Reference Range
Clinical Significance
Platelet aggregation is clinically significant in the detection and diagnosis of acquired or congenital qualitative platelet defects. The platelet’s ability or inability to respond to particular aggregating reagents is the basis for differentiating platelet dysfunction.
