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Specimen Collection Manual and Test Catalog

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TISSUE PLASMINOGEN ACTIVATOR (TPA), EIA

Geisinger Epic Procedure Code:  LAB3183    Geisinger Epic ID:  19491

SPECIMEN COLLECTION
Specimen type: 

Plasma


Preferred collection container: 
Specimen required: 

1 ml aliquot of plasma in a plastic vial; minimum 0.3 mL. Please submit a separate frozen aliquot for this test. It may not be combined with any other test requiring a frozen aliquot.


Special notes: 

See Specimen Processing Instructions.



SPECIMEN PROCESSING
Processing instructions: 

Centrifuge within one hour of collection.


Transport temperature: 

Frozen.


Specimen stability: 

Room temperature: Unacceptable. Refrigerated: 24 hours. Frozen: 30 days.


Rejection criteria: 

Received room temperature • Received refrigerated.



TEST DETAILS
CPT code(s):  85415
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Test includes: 

Tissue plasminogen activator antigen.


Methodology: 
Enzyme Immunoassay (EIA)
Synonyms: 

TPAG, TISSUE PLASMINOGEN ACTIVATOR ANTIGEN, Quest test code 29816


Clinical significance: 

Used to detect disorders of the fibrinolytic system.


Review Date:  12/12/2024

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