| 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
Must be hand delievered to the Laboratory within 1 hour of collection.
DO NOT send through the pnuematic tube station.
DO NOT collect outside of BUMCS and BUMCT main lab (i.e. at clinic)
Must be hand delievered to the Laboratory within 1 hour of collection.
DO NOT send through the pnuematic tube station.
DO NOT collect outside of BUMCS and BUMCT main lab (i.e. at clinic)
Test Code
PLTAGGRT
Alias/See Also
Ristocetin Aggregation
Includes
Tests included in the panel:
ADP (Weak and Strong)
Collagen
Ristocetin (Weak and Strong)
Arachidonic Acid
ADP (Weak and Strong)
Collagen
Ristocetin (Weak and Strong)
Arachidonic Acid
Preferred Specimen
| 3 blue-top tubes (3.2%sodium citrate) preferably drawn using the two-syringe technique |
| 1 purple top EDTA |
| (Minimum volume – 2.7 ml sodium citrate tubes, 1 ml EDTA tube) |
| Submit whole blood samples – Do not centrifuge |
| Collection Needle size should be between 19 and 21 gauge |
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 10-14 days prior to testing.
Platelet counts below 100,000/mm3 may give variable results and should not be used.
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 10-14 days prior to testing.
Platelet counts below 100,000/mm3 may give variable results and should not be used.
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
3 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
| · Plasma and cells are separated |
| · Delivered by pneumatic tube |
| · Incorrect anti-coagulant |
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.
