γ-Glutamyltranspeptidase

γ-Glutamyltranspeptidase is a topic covered in the Davis's Lab & Diagnostic Tests.

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Synonym/Acronym:
Serum γ-glutamyltransferase, γ-glutamyl transpeptidase, GGT, SGGT.

Rationale
To assist in diagnosing and monitoring liver disease.

Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.

Normal Findings
Method: Enzymatic spectrophotometry.

AgeConventional and SI Units
Newborn–6 mo12–122 units/L
7 mo and older
 Male0–30 units/L
 Female0–24 units/L
Values may be elevated in older adults due to the effects of medications and the presence of multiple chronic or acute diseases with or without muted symptoms.

Critical Findings and Potential Interventions
N/A

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