At Quest, γ-Glutamyl Transferase (GGT) is drawn in a Serum separator tube (SST), order code 482.
Quest collection requirements
γ-Glutamyl Transferase (GGT) tube and order code at Quest
Quest verified by: Mandi Boss B Franklin, Jul 19, 2026
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No login · Zero PHI · Clinician-verified · Quest + LabCorp + BioReference.