Chromogranin A

Alphabetical Test listing

Chromogranin A-8045

  
Chromogranin A
  
8045
  
LAB8045
  
CGA
  
  • Useful in the diagnosis of carcinoid tumors
  • An adjunct in the diagnosis of other neuroendocrine tumors, including pheochromocytomas, medullary thyroid carcinomas, functioning and nonfunctioning islet cell and gastrointestinal amine precursor uptake and decarboxylation tumors, and pituitary adenomas
  

Proton pump inhibitor drugs should be discontinued for at least 2 weeks before collection

  
Serum
  
  
0.5 mL
  
0.2 mL
  

Spin, separate and freeze

  
  
  

Frozen (preferred) - 90 days

Ambient - 7 days

Refrigerated - 24 hours

 

  
Mayo Clinic Laboratories (CGAK): R-MM
  
Mo - Sa
  
1 - 3 days
  

Immunofluorescent Assay (IFA)

  

< 93 ng/mL

  
86316
  
Yes
  
  
11/07/2007
  
10/12/2020
  
09/29/2020