Item Value
Test name Thyroglobulin, Ultrasensitive (Tumor Marker; includes anti-Tg Ab testing)
Available Stat? No
Turn around times 1-5 days
In House Availability Tuesday, Friday (day shift)
Performed by Parnassus Chemistry (for Thyroglobulin)
China Basin Chemistry (for Thyroglobulin Ab)
Normal range Thyroglobulin:
Male 1.4-29.2 µg/L
Female 1.5-38.5 µg/L


Thyroglobulin Ab* < 2.00 IU/mL


*Reference range is based on the functional CV cutoff (20% CV cutoff) for the assay estimated by monitoring the CV in low end patient pools and samples tested over periods of 1 - 6 months. This functional CV cutoff is in accord with that reported by Pickett et al, Ann Clin Biochem, 49:463-467, 2012 for the Abbott Architect assay. Approximately 80% of healthy subjects with normal thyroid function tests and no thyroperoxidase antibodies will have an anti-TG antibody level < 2.00 IU/mL in this assay. The normal range cutoff has been set at the lower reporting limit of the assay (functional CV cutoff) in accordance with the view that any detectable level of anti-thyroglobulin antibody may be considered abnormal and might negatively interfere in the thyroglobulin assay
Container type Red top or Gold top
Amount to Collect 3 mL blood
Sample type Serum

If you have additional questions regarding this test, please call: 415-353-1667