Laboratory Services

Protime, INR and Activated Partial Thrombin Time

Name: Incyte Diagnostics
Address: 13103 E Mansfield Ave, Spokane Valley, Washington, 99216, USA
Telephone: +1-

Updated Test Information:

Test Description	Protime, INR and Activated Partial Thrombin Time
Synonym(s)	PT, INR, PTT, APTT
Test ID	PTPTT
Specimen Type	Plasma
Specimen Requirements	Light Blue Aliquot Tube
Specimen Collection / Processing Instructions	Platelet poor Coag Citrate Specimen processing: 1. Gently invert tube 2-3 times prior to placing in Centrifuge 2. Centrifuge Citrate whole blood at 4500 rpm for 10 minutes 3. Carefully pipette plasma, avoiding the platelet/buffy coat into a plastic vial 4. Centrifuge plasma at 4500 rpm for 10 minutes 5. Pipette the plasma to a plastic vial, leaving the bottom 0.25 mL undisturbed 6. Outside locations freeze plasma immediately and transport frozen. Samples processed inhouse, if technician can run immediately, you do not need to freeze, if not freeze immediately.
Minimum Sample Volume	The sodium citrate collection tube must be filled to 90% of capacity.
Pediatric Min. Volume (if applicable)	The sodium citrate collection tube must be filled to 90% of capacity.
Stability	Plasma Na Citrate - Frozen (preferred): 14 days - Room Temperature: 4 hours - Refrigerated: Unacceptable Unspun Whole Blood in Na Citrate -Room temperature: 4 hours -Refrigerated: Unacceptable -Frozen: Unacceptable
Unacceptable Specimen Conditions	Refrigerated specimen; Quantity not sufficent; improperly labeled specimens; specimens not collected in 3.2% buffered sodium citrate tube; clotted specimens; under or over filled specimen tubes; severe hemolysis; improperly labeled specimens
Methodology	Automated
Estimated TAT	0-2 days
Testing Schedule	Monday-Saturday, & STAT
CPT Code(s)	85730 85610
Reference Range	PT 11.4 – 14.0 seconds PTT 26 – 40 seconds
Reflex Conditions	None
Performing Lab	Incyte Diagnostics
LOINC Code(s)	5902-2, 6301-6, 14979-9