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Thyroglobulin

Source Blood
Mnemonic THYRO
Specimen Requirements

1 x 3.5 mL gold top SST tube

1.0 mL serum

Minimum Whole Blood Volumes for Microcollections

Specimen Handling
Additional Information

Thyroglobulin (THYRO) and Thyroglobulin Antibodies (ANTITG) will both be reported when THYRO is ordered.  Anti-TG antibodies are present in up to 30% of samples from patients with Graves disease and differentiated thyroid cancer and up to 60% from patients with autoimmune hypothyroidism, and will affect measurements of Thyroglobulin.

Thyroglobulin is a tumor marker.

Testing Location Immunochemistry
Testing Frequency

Weekdays

Alternate Name(s)
Reference Interval 0 - 50 ug/L