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Plasminogen Activator Inhibitor (PAI-1) Ag
Message*Take to processing ASAP. Centrifuge, separate and pour off into vial. Freeze plasma immediately.
Test Code
36555
Alias/See Also
LAB1124
PAI-1
PAI-1
CPT Codes
85415
Preferred Specimen
1 mL frozen plasma collected in a 3.2% sodium citrate (light blue-top) tube
Minimum Volume
0.5 mL
Transport Container
Transport tube
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 2 hours
Frozen -20° C: 30 days
Frozen -70° C: 1 year
Refrigerated: 2 hours
Frozen -20° C: 30 days
Frozen -70° C: 1 year
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received thawed • Received room temperature • Received refrigerated
Methodology
Enzyme Immunoassay (EIA)
Setup Schedule
Tues
Report Available
4-12 days
Reference Range
4-43 ng/mL
Clinical Significance
Increased activity is associated with increased risk of arterial thrombosis, such as with unexplained premature myocardial infarction. As an acute phase reactant, the activity is increased after an acute event. Studies suggest PAI-1 may be a prognostic marker in early stage breast cancer.
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |