Ordering Recommendation

Detect elevated concentrations of plasminogen activator inhibitor 1 (PAI-1). Low concentrations of PAI-1 may not be accurately quantified. Not a first-line test for diagnosing inherited thrombotic or bleeding disorders.

Mnemonic
PAI-1
Methodology

Bioimmunoassay

Performed

Tue, Wed, Thu

Reported

1-8 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation

Collect specimen between 8 a.m. and 12 p.m.

Collect

Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.

Specimen Preparation

Centrifuge plasma. Within 1 hour of draw, transfer 1.5 mL platelet-poor plasma to an ARUP Standard Transport Tube and freeze. (Min: 1 mL)

Storage/Transport Temperature

CRITICAL FROZEN.  Additional specimens must be submitted when multiple tests are ordered.

Unacceptable Conditions

Serum, EDTA plasma, clotted or hemolyzed specimens.

Remarks
Stability

Ambient: 1 hour; Refrigerated: Unacceptable; Frozen: 2 months

Reference Interval

By report

Interpretive Data

Refer to report

Compliance Category

FDA

Note
Hotline History
N/A
CPT Codes

85415

Components
Component Test Code* Component Chart Name LOINC
0098781 Plasminogen Activator Inhibit 5975-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • PAI-1
  • Plasminogen Activator Inhibitor 1
Plasminogen Activator Inhibitor 1, Activity