Iodine, Serum or Plasma

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Category:

Turnaround Time: 2 - 4 days
CPT Code:

83789

Test Type: 0.5 mL Serum or plasma
Stability Time:

Temperature

Period

Room temperature

14 days

Refrigerated

14 days

Frozen

14 days

Freeze/thaw cycles

Stable x3

Reference Range:

40.0-92.0 µg/L

Overview:

Monitor exposure to iodine; evaluate for iodine deficiency disorders (IDDs), excessive iodine intake, or iodine in the workplace.

Other forms of thyroid problems, namely iodine-induced hypothyroidism, autoimmune thyroiditis, and hyperthyroidism associated with excessive iodine intake have become a greater concern than deficiency disorders.1

This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.

1. Hollowell JG, Staehling NW, Hannon WH, et al. Iodine nutrition in the United States, trends and public health implications: Iodine excretion data from National Health and Nutrition Examination Surveys I and III (1971-1974 and 1988-1994). J Clin Endocrinol Metab. 1998; 83(10):3401-3408. PubMed 9768638

Collection Details:

Collection Instructions:

Royal blue-top (EDTA) tube or royal blue-top tube without EDTA.

Submit original unopened tube or serum or plasma removed from a royal blue-top tube, and transfer to a certified metal-free plastic transport tube (PeopleSoft N° 111166) for shipment to the laboratory.

Maintain specimen at room temperature.