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Print CPT 86376; 86800
Test Details
Turnaround Time
1 - 3 days
Use
Differential diagnosis of hypothyroidism and thyroiditis
Special Instructions
This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.
Test Includes
Thyroid Peroxidase (TPO) Ab; Thyroglobulin Antibody
Methodology
See individual test descriptions.
Related Documents
For more information, please view the literature below.
Specimen Requirements
Information on collection, storage, and volume
Specimen
Serum
Volume
2 mL
Minimum Volume
0.8 mL (Note: This volume does not allow for repeat testing.)
Container
Red-top tube or gel-barrier tube
Storage Instructions
Room temperature
Causes for Rejection
Plasma specimen; excessive hemolysis