Matrix Search - Test Information
| Investigation | PT/INR | | Indications | To help diagnose blood clotting disorders and to monitor how long blood takes to clot for patients on anticoagulants. | | Specimen Type |  Pale Blue | | Request Form | Blood Sciences or Electronic | | Volume | MUST be filled to top line | | Action limits | Prothrombin/ INR (not warfarinsied) 25.0 secs / 2.5, INR (on warfarin) 5 | | Related tests | None | | HOW TO guides | None | | Information leaflets | None | | Publications | None | | Guidelines | None |
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