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Vanderbilt Pathology Laboratory Services

Test Directory



THYROID PEROXIDASE ANTIBODY (TPO)

Department: Esoteric Chemistry
Test Synonym(s): TPO, Anti Thyroid Peroxidase
CPT Codes: 86376
Methodology: Chemiluminescent Immunoassay
Reference Range: 0.0-9.0 IU/ML
Tube Type: Red top tube - 5 mL
Specimen: Serum
Alternate Specimen: Light green top PST (Lithium Heparin with gel)
Pediatric Requirements: 2 red microtainer
Volume: 3 mL Serum
Minimum Volume: 0.7 mL
Temperature: Refrigerate
Stability: Room temperature: 8 hours; Refrigerated (2-8 C): 2 days; Frozen (-20 C): 2 months
Reasons for Rejection: QNS; improper collection
Days Performed: Monday - Friday
Times Performed: 8:00 a.m. - 2:00 p.m.
TAT: 1 day

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