How to Cite This Chapter: Don-Wauchope A, Chetty VT, Ivica J, Kavsak P, Khan WI, Lafreniere M, Nouri K, Solnica B. Ammonia. McMaster Textbook of Internal Medicine. Kraków: Medycyna Praktyczna. https://empendium.com/mcmtextbook/chapter/B31.1269.3.7.9. Accessed December 22, 2024.
Last Updated: May 9, 2022
Last Reviewed: May 9, 2022
Chapter Information
McMaster Textbook of Internal Medicine Editorial Offices
Editorial Office (Canada)
Authors: Andrew Don-Wauchope, Vasudhevan T. Chetty, Joško Ivica, Peter Kavsak, Waliul I. Khan, Matthew Lafreniere, Kazem Nouri
Editorial Office (Poland)
Authors: Bogdan Solnica
For a brief introduction and guide to abbreviations, see Laboratory Tests: General Remarks.
Analyte [material]
Ammonia [P]
Reference range, target level, or decision threshold
Men: 16-60 micromol/L (27-102 microg/dL)CW
Women: 11-51 micromol/L (19-87 microg/dL)CW
[micromol/L] × 1.7 = [microg/dL]
Interpretation of results
↑ Severe liver injury (diagnostic workup of hepatic encephalopathy), increased dietary protein intake, in newborns aged <1 week