Test Guide | Te Whatu Ora - Health New Zealand Waikato Laboratory Website

Laboratory Information

Test Name

APTT

External Price (excl. GST)

8.74

Specimen Collection

Adult Specimen

2.7 mL sodium citrate tube

Paediatric Specimen

1.8 ml paediatric sodium citrate tube

Instructions for Referral to Waikato Lab

Aliquot instructions

500uL double spun platelet poor plasma

Aliquot Transport

Send frozen

Test Information

Department

Haematology

Test Availability

Mon - Sun, 24hrs

Laboratory Turnaround Time

2 hours

Reference interval

Normal Range:25-38 sec. Therapeutic Range (Unfractionated heparin):60-100 sec.

Minimum Volume