Test Overview
Test Methodology

LC-MS/MS

Test Usage

Accurate measurement of serum thyroglobulin (Tg) in patients with known or suspected antithyroglobulin autoantibodies (TgAB) or heterophile antibodies (HAB)

Reference Range *

Healthy individuals with intact, functioning thyroid: < or =33 ng/mL

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Friday
Analytic Time

4 - 8 days

Soft Order Code
TGMS
Laboratory
Sendout
Reference Laboratory
Mayo (TGMS)
Section
Special Testing
Test Updated
06/17/2020
Update Type
Reference range changed
Specimen Requirements
Collection Instructions

Collect specimen in red top tube. Spin and aliquot into a screw capped plastic tube. Send to Specimen Processing refrigerated.

Red Top Tube
Normal Volume
1.25 mL serum
Minimum Volume
0.75 mL serum
Storage Temperature
Refrigerated preferred, frozen acceptable
Additional Information

Test performed by Mayo Clinic Laboratories

Billing
CPT Code
84432
Fee Code
AA540
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