Chromogranin A


Sunquest Code:CGA  
Epic Code:LAB3372Epic Name:Chromogranin A
Methodology:Enzyme immunoassay
Test Includes:This assay is performed using Chromogranin A ELISA manufactured by ARUP Laboratories. Results obtained with different assay methods cannot be used interchangeably. The performance characteristics were determined by ARUP Laboratories.
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-6 days.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.



Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:1.2 mL
Container:Red (no gel) (Red or gold (gel))
Causes for Rejection:plasma


Processing and Shipping

Specimen Processing:Allow serum sample to clot completely at room temperature. Centrifuge and aliquot 1 mL, 0.5 mL minimum.
Shipping Instructions:Ship on dry ice.
Stability:After separation from cells: 48 hours at room temperature; 2 weeks refrigerated; 6 weeks frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:80469


Interpretive

Reference Range:0-160 ng/mL
Use:Assay aids in monitoring but is not recommended for diagnosis of carcinoid tumors. Assay may be useful in monitoring nonsecretory sympathetic and parasympathetic neuroendocrine tumors.


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