| Laboratory: | Hematology |
| Test Name: |
PTT (PARTIAL THROMBOPLASTIN TIME) - (P)
Test Code:
APTT
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| Clinical Information: |
Test performed at:
HSC, SBH, Westman Lab, Selkirk, Boundary Trails, Bethesda, Victoria, Concordia, Grace, Seven Oaks, Portage, Dauphin, Swan River, The Pas, Flin Flon, Thompson |
| Collection Devices: |
Preferred Device:
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| Specimen Required: |
Blood: 1.8 mL
|
| Referral: |
Plasma: 1.0 mL
Send 1 mL (minimum volume 0.5 mL) of platelet poor citrated plasma in plastic aliquot tube frozen if testing cannot be completed with 4 hours of collection. Send on ice.
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| Requisition: | |
| Reference Values: | |
| Availability: |
Daily or Stat
Test must be approved by Hematologist or Hematopathologist unless patient is on heparin therapy including baseline aPTT prior to the start of UFH, for peri-liver transplant patients, cord blood, bivalirudin therapy, stroke protocol, massive hemorrage protocol (MHP), Children's Emergency, Pediatric/neonatal ICUs.
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| See Also: | |
| More Information: |