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Test Code PLAG Platelet Aggregation Studies

Important Note

Please consult haematologist before ordering this test.

Prior appointment is required. Please call Haematology at 67725320 for appointment.

Patient should be fasting for this test. Various drugs may inhibit platelet function.

Unless the aim of testing is to demonstrate drug-induced inhibition, patient should be drug free for two weeks prior to testing.

Laboratory Code

LAB3040287

Specimen Requirements

Submit the following specimen

Specimen Type: Whole Blood
Container/Tube: 3 Light Blue Top (3.2% Sodium Citrate)
Volume: 3 × 2.7 mL whole blood (Tubes must be full)

 

and

 

Specimen Type: Whole Blood

Container/Tube: 1 Lavender Top (EDTA)

Volume: 3.0 mL whole blood

Minimum Volume: 1.5 mL whole blood

Specimen Stability

Fresh specimen required

Specimen Type Whole Blood
Ambient 1 hour (preferred)
Refrigerate Not available
Frozen Not available

Panel Information

Panel includes the following agonists:

  • ADP
  • Arachidonic Acid
  • Collagen
  • Epinephrine
  • Ristocetin

Methodology

Platelet Aggregometry

Days and Times Performed

Monday, TAT 5 days

Specimen Condition

Gross Haemolysis Reject
Gross Icterus Reject
Gross Lipaemia Reject
Others: Clotted or insufficient specimen Reject

Reference Interval

Clinical interpretive report will be provided.

Testing Laboratory

National University Hospital

Haematology, 67725320

Useful For

Investigation of congenital and acquired platelet dysfunction,

e.g. Bernard-Soulier Syndrome, Glanzmann’s Thrombasthenia, Aspirin-like defect.

Aids in the diagnosis of von Willebrand’s Disease.

Service Code

12015

LOINC Code Information

ADP 24377-4
COLLAGEN 24379-0
EPINEPHRINE 24378-2
ARACHIDONIC ACID 24381-6
RISTOCETIN 24380-8
MORPHOLOGY 11125-2

 

Alias

Platelet Aggregration Studies
Platelet Function Tests

Update

Last updated 20/03/2025