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Plasminogen Activator Inhibitor (PAI 1) Ag
Test CodePAI-1
Alias/See Also
PAI1; 36555
CPT Codes
85415
Preferred Specimen
1 mL plasma collected in a 3.2% sodium citrate (light blue-top) tube
Minimum Volume
0.5 mL
Instructions
Refer to Quest Diagnostics Nichols Institute Directory of Services under Specimen Collection section, Coagulation Testing for further information on specimen processing.
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 refrigerated
Methodology
Enzyme Immunoassay (EIA)
Setup Schedule
Tuesday Night Report available: 3 Days after receipt at the performing laboratory. Add three (3) days for transport.
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 |
Last Updated: August 3, 2023