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Tissue Plasminogen Activator, Antigen
0099187
Ordering Recommendation

• 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.

Mnemonic
TPA AG
Methodology
Enzyme-Linked Immunosorbent Assay
Performed
Tue
Reported
1-8 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
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 
Reference Interval
Effective October 6, 2014
≤12.4 ng/mL
Interpretive Data


Note
CPT Code(s)
85415
Components
Component Test Code*Component Chart NameLOINC
0099187Tissue Plasminogen Activator Antigen5971-7
* 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
  • TPA Antigen