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Test Code ASPI Aspirin Antiplatelet Drug Response

Important Note

Test is only available to patients on-site at NUH. Prior arrangement is required.

Testing is performed on fresh sample and samples should be dispatched to reach the laboratory before 8.30am Monday to Friday for processing.

For NUH patient, please call Haematology at 67725320 for appointment.

For external client, please contact NRL at nrl@nuhs.edu.sg for appointment.

Additional Codes

Epic Ordering Code LAB3040995
NBS code LBC02016
Service code 12506

Processing Requirements

Specimen Type: Whole Blood
Container/Tube: Green Top (Hirudin)
Volume: 1.6 mL Whole Blood

Specimen Stability

 

Fresh specimen required

Specimen Type Whole Blood
Ambient 1 hour
Refrigerate Not available
Frozen Not available

Specimen Condition

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

Methodology

Multiple Electrode Aggregometry

Days and Times Performed

Monday through Friday, 8.30am, TAT 1 day

Reference Interval

Adult 86 – 162 U

Testing Laboratory

National University Hospital
Haematology, 67725320

Useful For

Monitoring of antiplatelet therapy

Update

Last updated 22/06/2026

LOINC Code Information

53814-0

Alias

Aspirin
Acetylsalicylic Acid-induced Platelet Dysfunction

Multiplate Analyzer

Platelet Function Testing
Platelet Reactivity

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