Laboratory Test Reference Guide

Laboratory Information

Test Name

PFA

Synonyms

PFA-100
PFA-200
Platelet function Analysis

External Price (excl. GST)

58.31

Specimen Collection

Adult Specimen

2.7 mL sodium citrate tube (light blue)

Specimen Collection and Transport Protocols

Blood must be collected carefully as activated samples invalidate results.

Paediatric Specimen

It is preferable to collect an 2.7 mL sodium citrate tube (light blue) however test can be performed on 1.8ml paediatric coag tube

Instructions for Referral to Waikato Lab

Aliquot instructions

2.7 mL sodium citrate tube (light blue) - unspun

Aliquot Transport

PFA must be sent directly to Waikato Hospital. Sample is unsuitable for testing after 4 hours. 

Test Information

Department

Haematology

Test Availability

Mon - Sun, 24hrs

Laboratory Turnaround Time

4 hours

Unit of measurement

secs

Reference interval

PFA Coll/Epinephrine Cartridge:   80 – 180 seconds
PFA Coll/ADP Cartridge:               55 – 125 seconds

Electronic Information

Registration Code

PFA

HL7 mapping code

$PFA