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HelpTest ID BLOD0669 PROTIME
AKA
PT/INR, INR, PT
Specimen Type/Requirements
Blue-Top (Sodium Citrate) Tube-Must be filled to the minimum draw line.
**Hemolyzed specimens will be rejected.
Specimen Volume
| Preferred Volume | 1 full Blue-Top (Sodium Citrate) Tube-whole blood |
| Minimum Volume | 1 mL platelet poor plasma |
Stability/Transport
| Room Temperature | 24 hours (UNSPUN whole blood) | Preferred for transport |
| Refrigerated | N/A | |
| Frozen | 1 month (platelet poor plasma in an aliquot tube) |
Performed Test Frequency
Monday-Sunday
Performing Lab
Sanford Laboratories-Bemidji
Methodology
Mechanical-Rabbit Brain Thromboplastin
CPT
85610