Search For Additional Tests

Search Form
     
PLASMINOGEN ACTIVITY
Number 657
CPT Code 85420
Alias 
Specimen Container Blue Top Citrate
Specimen Type Plasma Citrate
Turn Around Time 
Days Performed 
Reference Range Contact Laboratory
Alternate Specimen 
Volume 2 mL Plasma
Stability Ambient Unstable
Stability Refrigerated Unstable
Stability Frozen Preferred
Patient Preparation 

Ideally, the patient should not be on anticoagulant therapy. Avoid warfarin (Coumadin®) therapy for two weeks prior to the test and heparin, direct Xa, and thrombin inhibitor therapies for about three days prior to testing.

Methodology 

Streptokinase (SK) as mixed with the patient sample and the resulting plasminogen-SK complex converts a chromogenic substrate to produce color.

Limitations 

Plasminogen levels can be decreased in disseminated intravascular coagulation (DIC), hepatitis, leukemia, and with thrombolytic therapy.

Rejection Criteria 

Severe hemolysis; improper labeling; clotted specimen; specimen diluted with IV fluids; samples thawed in transit; improper sample type; sample out of stability

Additional Instructions 
Performing Laboratory Reference Laboratory
Tags

COVID-19 Testing Guidance

Primex Clinical Laboratories strives to provide clients with quality testing services to better support patient health. With the ongoing pandemic, COVID-19 testing has become high in demand yet testing supplies are limited.

Read More

COVID-19 Testing Guidance

Primex Clinical Laboratories strives to provide clients with quality testing services to better support patient health. With the ongoing pandemic, COVID-19 testing has become high in demand yet testing supplies are limited.

Read More