QDX

Test menu

Gastrin

What it measures

  • GastrinLOINC 2333-3

Before the visit

Fasting preferred

Overnight fasting is required, preferably 12 hours or more.

Specimen

Specimen
1 mL frozen serum
Minimum volume
0.5 mL
Container
Transport tube
Temperature
Frozen

Dietary supplements containing biotin may interfere in assays and may skew analyte results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.

Turnaround

Set up: Mon, Wed, Fri

Billing

CPT 82941