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HelpTest ID BLOD0673 PTT
AKA
Activated Partial Thromboplastin Time, APTT
Specimen Type/Requirements
Blue top (3.2% Sodium Citrate) tube - Plasma
Specimen must be double spun, platelet poor if sample will be frozen
Test is not affected by hemolysis. Test is not affected by lipemia.
Specimen Volume
| Preferred Volume | 1.0 mL |
|---|---|
| Minimum Volume | 0.5 mL |
Stability/Transport
Platelet Poor Plasma:
| Room Temperature | 4 hours | |
|---|---|---|
| Refrigerated | Not Acceptable | |
| Frozen | 2 weeks | Preferred for transport |
Performed Test Frequency
Monday through Sunday
Methodology
Mechanical Clot Detection
Performing Lab
Sanford Laboratories Bismarck
CPT
85730