Ordering Recommendation

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.

Mnemonic
CGA SERUM
Methodology

Quantitative Enzyme Immunoassay

Performed

Mon, Wed, Fri

Reported

1-6 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Serum separator tube or plain red.

Specimen Preparation

Allow serum specimen to clot completely at room temperature. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature

Frozen.

Unacceptable Conditions

Plasma.

Remarks
Stability

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 6 weeks

Reference Interval

Effective August 19, 2019

0-160 ng/mL

Interpretive Data

This test is performed using the Cisbio CGA-ELISA-US kit. Results obtained with different methods or kits cannot be used interchangeably.

Compliance Statement D: For laboratory tests using a manufactured RUO kit. 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.

Note
Hotline History
N/A
Components
Component Test Code* Component Chart Name LOINC
0080469 Chromogranin A 9811-1
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • CgA
Chromogranin A