Test Code PTMIX PT Mixing Study
Additional Codes
N/A
Alias
N/A
Collection Method
Venous Collection
Container
Blue sodium citrate tube
Instructions/Special Handling
2 blue sodium citrate tubes are required for testing
Preferred Specimen
2 Blue sodium citrate tubes
Acceptable Specimes
2 Blue sodium citrate tubes
Units
Seconds
Reference Ranges
PT: 9.4 - 12.5 seconds
Critical Values
INR >/= 5.0
Reasons for Rejection
| Hemolysis | N/A |
| Icterus | N/A |
| Lipemia | N/A |
| Other | QNS, Contaminated, Improperly labeled, Improper specimen type, Clotted, Insufficiently or over filled tube |
Specimen Stability
| Ambient (15-25°C) | 4 hours |
| Refrigerated (2-8°C) | N/A |
| Frozen (-20°C) | 1 month (-20°C) or 3 months (-70°C) |
Performing Site
Boone Health Laboratory
Performance Information
| Days/Times Performed | Monday - Friday |
| Expected Turn around Time | 1 -3 days |
| Methodology/Method Description | Stage Starr - Mechanical clot detection |
Panel Components
N/A