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Thyroperoxidase Antibody
MessagePerforming Lab: Central Lab
Test Code
2448
Alias/See Also
Sunquest: TPOAB; Anti thyroid antibody; Microsomal antibody; Thyroid microsomal Antibody
CPT Codes
86376
Preferred Specimen
0.3 mL Serum Separator (gold-top) tube
Minimum Volume
0.2 mL
Other Acceptable Specimens
Red, Red/Gray
Instructions
Processing:
Freeze within 48 hours of collection
Freeze within 48 hours of collection
Transport Temperature
Refrigerated
Specimen Stability
Refrigerated: 48 hours
Frozen: 7 days
Frozen: 7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Plasma is not an acceptable specimen type.; Not frozen within 48 hours of collection; Gross hemolysis or lipemia
Methodology
Chemilluminescence
Setup Schedule
Monday, Wednesday, and Thursday
Report Available
Same Day
Reference Range
<9 IU/mL
Clinical Significance
The detection of TPO antibodies is an aid in the diagnosis of thyroid autoimmune disorders and enables the physician to differentiate thyroid autoimmune disorders from non-autoimmune goiter or hypothyroidism
