ARUP's Laboratory Test Directory

Tissue Plasminogen Activator, Antigen : 0099187

Mnemonic: TPA AG

Methodology: Enzyme-Linked Immunosorbent Assay
Performed: Tue, Fri
Reported: 1-8 days
Specimen Required: 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: Frozen.

Unacceptable Conditions: Serum. Specimens collected in sodium fluoride or heparin.

Stability (collection to initiation of testing): Ambient: 4 hours; Refrigerated: 4 hours; Frozen: 2 months

Reference Interval:
0.8-11.2 ng/mL
CPT Code(s): 85415
Cross References: TPA Antigen