Plasminogen Activator Inhibitor 1, Activity
0098781
Ordering Recommendation
Assay  detects elevated PAI concentrations, low concentrations 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.
Submit With Order
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 or hemolyzed specimens.  
Remarks
 
Stability
Ambient: 1 hour; Refrigerated: Unacceptable; Frozen: 2 months  
Reference Interval
By report  
Interpretive Data
Refer to report  
Note
 
CPT Code(s)
85415
Components
Component Test Code*Component Chart NameLOINC
0098781Plasminogen Activator Inhibit5975-8
* 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