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PLATELET FUNCTION TEST

Synonym(s):

Lab Section Category

Description

Indications

Specimen Required

​7 tubes of 3 mL blood containing 0.3 mL of 3.2% sodium citrate.

Storage and Transport


Send to the lab as soon as possible.

Specimen should be kept at room temperature and should not be kept in ice.

Method

​Aggregometry

Test Results

Reference Interval / Value

Platelet aggregation with:
ADP 5uM – 59 – 107%
Collagen 2ug/ml – 72 – 109%
Epinephrine 5uM – 68 – 103%
Arachidonic acid 0.5mM – 67 – 105%
Ristocetin 1.2mg/ml – 80 – 104%

Turnaround Time

​1 day

Day(s) Test Set up

​Monday - Friday

Remarks

Note: By appointment only (Tel: 6326 6022)

Patient to fast overnight prior to test and should not be on anti-platelet medication for at least 2 weeks for investigation of bleeding disorder

Available panels (Haematologist consultation required)
- Inherited platelet disorder (screen, aggregation)

- Inherited platelet disorder (advanced, aggregation)

- Inherited platelet disorder (U46619, aggregation)


- Platelet aggregation (low dose ristocetin for von Willebrand       disease)

Change History Notes

Others

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