International Normalised Ratio

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Tests:International Normalised Ratio
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Synonym(s) INR, Prothrombin Time, PT, PR
Specimen 2.7 mL Sodium Citrate (Blue top - Must be FULL)
Paediatric Specimen 1.8 mL Sodium Citrate (Blue top - Must be FULL)
Minimum Volume Citrate tube must be FULL

Separated plasma - 1mL

Add-on conditions 24 hours @ 4°C
Test Availability Mon - Sun, 24 hours
Turnaround Time Hastings 1 - 2.5 hours / Central HB 6 - 8 hours / Wairoa 12 hours
Where analysed Hastings
Department Haematology, (06) 878 1308 ext. 2445
Registration Code HINR
Deletion Code 7172
Measurement Uncertainty Available upon request