Menu
Home
Print
Thyroid Peroxidase Antibodies
Alternative Names/Synonyms
Anti-TPO, Antithyroid Microsomal Antibody, ATPO, Microsomal Antibody
Laboratory
Core Laboratory & Transfusion Medicine
Sub-section
Biochemistry
Specimen Type
Blood
Test Code
ATPOS
Clinical Significance (If applicable)
Assisting in the diagnosis of autoimmune thyroid disorders.
Specimen Requirements (Sample Type)
Serum
Specimen Requirements (Volume (mL))
0.5 mL
Specimen Requirements (Tube Type)
Serum (Gold SST)
Collection Containers – Tube Types
Draw (mL)
4.5 mL
Collection Requirements
Collection Instructions
Sample Stability
Room Temperature
: N/A
Fridge
: 3 days @ 2-8°C
Freezer
: 1 month @ -20°C
Cause for Rejection
Specimen Acceptability and Transport Guidance
Instrument, Methodology
Roche cobas e 602, immunoassay
Test Availability
24 hours a day, 7 days a week
STAT Turnaround Time
1 hour
Routine Turnaround Time
3 hours
Reference Ranges
< 40 kIU/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
© 2024 Sinai Health. All rights reserved.