Tissue Plasminogen Activator (tPA) Antigen

Synonyms

• LAB12260
• TISSUE PLASMINOGEN ACTIVATOR

Cerner Name

Tissue Plasminogen Activator

Clinical Info

Use
This test is used for quantitative determination of human tissue plasminogen activator antigen in plasma by enzyme immunoassay.

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Specimen Volume

Volume
1 mL
Minimum Volume
0.5 mL

Container

Blue Top Tube

Collection Instructions

Specimen
Plasma, frozen
Volume
1 mL
Minimum Volume
0.5 mL
Container
Blue-top (sodium citrate) tube

Transport Instructions

Frozen

Specimen Stability

Causes for Rejection
Hemolysis; specimen clotted with fibrin; specimen contaminated with heparin (i.e., drawn with blood gases)

Methodology

Tissue plasminogen activator is bound to the wells of a microtiter plate by anti-tPA monoclonal antibodies. Unbound material is washed out of the wells. Bound tPA converts a chromogenic substrate to produce color.

Days Performed

TAT: 6-9 Days

Performing Laboratories

Labcorp-Esoterix

CPT

85415

PDM

5600600

Results

Result Interpretation

Forms