Chromogranin A
Label Mnemonic: CGA
Epic Lab Code: LAB2862
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
Serum
Collection Medium:
Red top tube 5 mL (Clot Activator)
Minimum:
Preferred Minimum: 1 mL serum
Absolute Minimum: 0.5 mL serum
Rejection Criteria:
Plasma
Turn Around Time:
1-6 days upon receipt at reference laboratory
Reference Range:
0-95 ng/mL
Interpretive Data:
This assay is performed using Cisbio CGA-ELISA-US kit. Results obtained with different assay methods or kits cannot be used interchangeably.
Comments:
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.
Methodology:
Quantitative Enzyme Immunoassay
CPT Code:
86316