INR
| Test Name | INR |
|---|---|
| Alternate Name(s) | International Normalized Ratio, Prothrombin Time |
| Laboratory Module | LAB |
| Ordering Mnemonic | INR |
| Specimen Type |
Sodium Citrate 3.2% - Plasma |
| Collection Container | Blue - 2.7 mL or 1.8 mL |
| Container Information |
 |
| Collection Information | Tube must be full.
|
| Test Schedule |
24/7 |
| Routine Turnaround Time | Turnaround times are posted in DOCS/Laboratory Turn Around Times DOCS# 9580 |
| Stat Turnaround Time | |
| Reference Interval | |
| Critical Values | |
| Lab Process Notes |
Unopened tubes stored at 18-24°C must be tested within 24 hours of specimen collection. Opened tubes stored at 18-24°C must be tested within 4 hours of specimen collection. |
| Storage and Transport |
If testing is not completed within 24 hours, platelet poor plasma may be aliquoted and frozen at < 20°C for up to 2 weeks. |
| Test Referred To | On-site, BGH Laboratory |
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The Brantford General
200 Terrace Hill Street
Brantford, ON
N3R 1G9
519-751-5544
The Willett, Paris
238 Grand River St. North
Paris, ON
N3L 2N7
519-442-2251
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