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ANTI-THROMBIN ACTIVITY
Number 724
CPT Code 85301
Alias ANTITHROMBIN III ACITIVITY, ANTITHROMBIN III FUNCTIONAL, FACTOR XA INHIBITOR, HEPARIN COFACTOR ACTIVITY, SERINE PROTEASE INHIBITOR
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 
Methodology 

The patient plasma is mixed with heparin and thrombin. The extent of thrombin inhibition is proportional to the AT concentration of the patient sample. Residual thrombin activity is measured as the rate of conversion of a chromogenic substrate and is used to calculate AT concentration.

Limitations 
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
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Covid-19/Influenza Combination Test

We are pleased to share with you that Primex is now offering the Combo test for COVID-19 and Flu. We are also now separately offering the Influenza A&B NAAT test.

The Los Angeles County Public Health Department states the following, People with flu may have a range of symptoms which are identical to symptoms of COVID-19, including fever, cough, sore throat, runny/stuffy nose, muscle body aches, headache, fatigue, vomiting and diarrhea. So offering this combo test could provide important medical care information to the ordering provider and to the patient.

Primex leadership is pleased to offer this service enhancement to our current and prospective clients.

Click here for more information

 

Covid-19/Influenza Combination Test

We are pleased to share with you that Primex is now offering the Combo test for COVID-19 and Flu. We are also now separately offering the Influenza A&B NAAT test.
The Los Angeles County Public Health Department states the following, People with flu may have a range of symptoms which are identical to symptoms of COVID-19, including fever, cough, sore throat, runny/stuffy nose, muscle body aches, headache, fatigue, vomiting and diarrhea. So offering this combo test could provide important medical care information to the ordering provider and to the patient.
Primex leadership is pleased to offer this service enhancement to our current and prospective clients.
Click here for more information