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VITAMIN B3 (NIACIN)
Number 634
CPT Code 84591
Alias VITAMIN B3, NICOTINAMIDE, NICOTINIC ACID
Specimen Container Red Top
Specimen Type Serum
Turn Around Time 
Days Performed 
Reference Range Contact Laboratory
Alternate Specimen Lavender top EDTA
Volume 1 mL Serum
Stability Ambient Unstable
Stability Refrigerated Unstable
Stability Frozen 14 Days
Patient Preparation 
Methodology 

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

Limitations 
Rejection Criteria 

Gel-barrier tube; specimen not frozen

Additional Instructions 
Performing Laboratory Reference Laboratory
TagsNIACIN, VITAMIN, B3

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.