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Thyroglobin
Alternative Names/Synonyms
Tg
Laboratory
Core Laboratory & Transfusion Medicine
Sub-section
Biochemistry
Specimen Type
Blood
Test Code
THYS3
Clinical Significance
Monitoring of follicular thyroid cancer recurrence. Thyroglobulin testing will always include measurement of
Thyroglobulin Antibodies
.
Specimen Requirements (Sample Type)
Serum
Specimen Requirements (Volume (mL))
0.5 mL
Specimen Requirements (Tube Type)
Serum (Gold SST)
Collection Containers – Tube Types
Collection Requirements
Blood Collection Instructions
Sample Stability
Room Temperature
: 8 hours
Fridge
: 1 week @ 2-8°C
Freezer
: 1 month @ -20°C
Cause for Rejection
Specimen Acceptability and Transport Guidance
Instrument, Methodology
UniCel DxI 600, immunoassay
Test Availability
Weekdays
Routine Turnaround Time
1 week
Reference Ranges
< 41 µg/L
In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.
Laboratory Contact Information
416-586-4800 extension 4688