ARUP's Laboratory Test Directory

Thyroid Antibodies : 0050645

Mnemonic: THYRO

Ordering Recommendation: Not the preferred initial test for evaluation of autoimmune thyroid disorder. Consider ordering Thyroid Peroxidase (TPO) Antibody (0050075).
Methodology: Chemiluminescent Immunoassay
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Serum separator tube. Also acceptable: Green (sodium or lithium heparin).

Specimen Preparation: Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.3 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Grossly hemolyzed or lipemic specimens. EDTA plasma.

Stability (collection to initiation of testing): After separation from cells: Ambient: 8 hours; Refrigerated: 1 week; Frozen: 6 months
Reference Interval:
 
Test Number Components Reference Interval
0050105Thyroglobulin Antibody Effective May 7, 2012

0.0-4.0 IU/mL
0050075Thyroid Peroxidase (TPO) Antibody 0.0-9.0 IU/mL

Interpretive Data: Refer to report.
CPT Code(s): 86376; 86800
Cross References: Anti-Thyroid Antibodies (Thyroid Antibodies)