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HelpTest ID BLOD0673 PTT
AKA
APTT, Activated Partial Thromboplastin Time
Specimen Type/Requirements
Blue-top (Sodium Citrate) Tube
Tube must be filled to the minimum draw line. Transport to laboratory immediately. Hemolyzed specimens will be rejected.
Specimen Volume
| Preferred Volume | 1 full Blue-top (Sodium Citrate) Tube |
| Minimum Volume | 1 mL platelet poor plasma |
Stability/Transport
| Room Temperature |
1 hour (heparinized sample) 4 hours (no heparin) |
|
| Refrigerated | N/A | |
| Frozen | 1 month (platelet poor plasma) | Preferred for Transport |
Performed Test Frequency
Monday-Sunday
Methodology
Mechanical-Silica Activator
Performing Lab
Sanford Laboratories Fargo- Core Lab
CPT
85730