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Chromogranin A

Item Value
Approval req'd? No
Available Stat? No
Test code CGA
Performed by ARUP
Sendout? Yes
Method Quantitative Enzyme Immunoassay
Container type Gold or Red-top tube
Amount to Collect 2.0 mL
Sample type Serum
Preferred volume 1.0 mL
Min. Volume 0.5 mL
UCSF Rejection Criteria Grossly icteric, hemolyzed or lipemic samples.
Processing notes Aliquot and freeze serum. Transport to CB frozen. Order ARUP test code 0080469.
Ref Lab Rejection Criteria Plasma
Units ng/mL
Normal range 0-95 ng/mL
Stability After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 6 weeks.
Turn around times 2-7 days
Additional information This test was performed using a laboratory developed electrochemiluminescent method. Values obtained with different assay methods cannot be used interchangeably. Chromogranin A levels, regardless of value, should not be interpreted as absolute evidence of the presence or absence of disease.

For those patients whose clinical condition is currently being monitored with the Chromogranin A test, rebaseline testing is available from 07/12/10 to 10/08/2010 at no additional charge. You may order a Chromogranin A test that includes rebaseline testing by ordering Test Code 16380-Chromogranin A, ECL, with Re-baseline or by calling the laboratory. The specimen will be stored for 21 days from the receipt of the specimen.
CPT coding 86316
LOINC code 9811-1
Last Updated 9/6/2017 2:31:17 PM
Entry Number 200
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