Reference Range: 3.5 - 77 ug/L
Method used is TGII Roche Elecsys (ECLIA).
Note: New high sensitive Roche TGII assay in use since 23 August 2013.
Reference Range Source : Roche TGII kit insert 2013-03,V1.0
Note: Biotin supplementation may cause falsely low results due to interference with the Thyroglobulin assay. If the patient is known to be taking Biotin, interpret results with caution and contact the Chemical Pathologist (03) 90763118 if further discussion is required.