• Determine quantity of tissue plasminogen ( tPA) in plasma.
• May be helpful in detecting disorders of the fibrinolytic system.
• Not a first-line test for diagnosing inherited thrombotic or bleeding disorders.
- Patient Preparation
- Collect
- Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.
- Specimen Preparation
- Separate plasma from cells and freeze ASAP. Transfer 1 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)
- Storage/Transport Temperature
- CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
- Unacceptable Conditions
- Serum, EDTA plasma, clotted or hemolyzed specimens.
- Remarks
- Stability
- Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: 2 months
≤12.4 ng/mL
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0099187 | Tissue Plasminogen Activator Antigen | 5971-7 |
- TPA Antigen