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Chromogranin A Serum Test

A Chromogranin A Serum Test is used to detect neuroendocrine cancers.

Sample Report

Test Code: 140848

CPT Code: 86316

Also Known As: CGA


Enzyme-linked immunosorbent assay (ELISA)

Specimen Type: Blood


No special preparation required.

Test Results:

3-4 days. May take longer based on weather, holiday or lab delays.


The chromogranin A (CgA) test is used as a tumor marker. . It may also be used to detect the presence of other tumors arising from neuroendocrine cells.

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