Chromogranin A (CgA)

How to Cite This Chapter: Don-Wauchope A, Chetty VT, Ivica J, Kavsak P, Khan WI, Lafreniere M, Nouri K, Solnica B. Chromogranin A (CgA). McMaster Textbook of Internal Medicine. Kraków: Medycyna Praktyczna. https://empendium.com/mcmtextbook/chapter/B31.1269.3.7.59. Accessed December 22, 2024.

Last Updated: May 9, 2022

Last Reviewed: May 9, 2022

Chapter Information

For a brief introduction and guide to abbreviations, see Laboratory Tests: General Remarks.

Analyte [material]

Chromogranin A (CgA) [S/P]

Reference range, target level, or decision threshold

1.6-5.6 microg/L (depending on method)!!!

Interpretation of results

↑ Carcinoid, gastrinoma, glucagonoma, and other neuroendocrine tumors (except for insulinoma)

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Chromogranin A (CgA)

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