Plasminogen Activator Inhibitor (PAI 1) Ag

Test Code

PAI1AG

Quest Code

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

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Received refrigerated

Methodology
Enzyme Immunoassay (EIA)

Setup Schedule

Tuesday Night Report available: 3 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

Last Updated: October 14, 2021

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.