Specimen Requirements
Title
Alpha-Subunit of Pituitary Glycoprotein
Specimen Requirement
Draw blood in red-top tube.
Methodology
Stability
Refrigerated 7 Days
Reference Range
By Report*
Turnaround
5-8 Days
Clinical Use
Test Code
ASUB
Thyroid Testing Update: Effective 02/01/2026, T3 Uptake will be discontinued and replaced with Free T4 testing. Free T4 more directly reflects active thyroxine levels and supports clearer clinical interpretation than older, indirect binding assessments. (Click here for more information)