International Normalised Ratio
| 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 |
| Useful Information | Click Here |
| Measurement Uncertainty | Available upon request |