Test directory: Chromogranin A

Ordering Code6736
Test NameChromogranin A
Preferred SpecimenSerum
Preferred ContainerSST (Gold)
Other Specimen/ContainerSerum in Plain (Red)
Optimum Volume1.5 mL
Handling InstructionsSeparate serum promptly.
Transport RequirementsOahu: Ambient
Airline: Frozen
Specimen StabilityAmbient: 48 Hours
Refrigerated: 3 Days
Frozen: 4 Weeks
Stability after separation from cells
Rejection CriteriaPlasma
Avail. StatNO
Analytic Time8 Days
Reference Lab ARUP Laboratories

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Chromogranin AALL0-1030-103ng/mL

This test is...

This test is performed using the BRAHMS CGA II
Kryptor kit. Results obtained with different methods or kits cannot be used interchangeably
Results cannot be interpreted as absolute evidence of the presence or absence of malignant disease

Nontumor-related elevations of Chromogranin A can be observed in gastrointestinal, cardiovascular, and renal disorders, as well as with proton pump inhibitor (PPI) therapy. It is recommended to stop
PPI treatment for at least two weeks prior to testing
Moderate H2-receptor antagonist therapy does not lead to significant elevations of Chromogranin A.