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CHROMOGRANIN A
Number 175
CPT Code 86316
Alias CHROMOGRANIN A
Specimen Container SST
Specimen Type Serum
Turn Around Time 
Days Performed 
Reference Range 0-5 nmol/L
Alternate Specimen Lavender top EDTA; Green top heparin tube
Volume 1 mL Serum
Stability Ambient 
Stability Refrigerated 
Stability Frozen 
Patient Preparation 

Values obtained with different assay methods should not be used interchangeably in serial testing.

Methodology 

Enzyme-linked immunoabsorbent assay (ELISA)

Limitations 

Chromogranin A levels can be elevated in patients with severe renal failure. Elevated leveles of CgA are also common in patients on treatment with proton pump inhibitors.

Rejection Criteria 

Non-EDTA or nonheparinized plasma; frozen red-top tube; grossly hemolyzed specimen

Additional Instructions 
Performing Laboratory Reference Laboratory
TagsCGA

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