1. EDM Base Lab: 5 mL blood - GOLD SST (gel) 2. CGY DSC: 4.5 mL blood - MINT LIHEP PST (gel) 3. NOTE: GOLD SST is also acceptable at CGY DSC
Submission Requirements:
1 mL serum or lithium heparin plasma
Frequency of Testing:
Daily
Reference Range:
< 35 kIU/L
Comments:
• Preferred test for use in the identification of thyroid autoimmune disease. • Biotin taken in doses >1 mg/day may interfere. For more information, see Biotin Interference