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METHYLMALONIC ACID
Number 631
CPT Code 83918
Alias MMA
Specimen Container SST
Specimen Type Serum
Turn Around Time 
Days Performed 
Reference Range 0-378 nmol/L
Alternate Specimen Green top heparin tube
Volume 1 mL Serum
Stability Ambient 14 Days
Stability Refrigerated 14 Days
Stability Frozen 19 Days
Patient Preparation 
Methodology 

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Limitations 
Rejection Criteria 

Plasma from a light blue-top or yellow-top tube; citrate interferes with assay

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.