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Iodine, Serum/Plasma
Test CodeIODINE
CPT Codes
82542
Preferred Specimen
1 mL serum collected in a no additive (royal blue-top) tube, or plasma collected in an EDTA (royal blue-top) tube
Minimum Volume
0.5 mL
Instructions
Separate plasma or serum from cells and pour off into an acid washed vial (AWV) or other trace element free container.
Transport Container
Acid washed vial (AWV), or other trace element free container
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 10 days
Refrigerated: 10 days
Frozen: Unacceptable
Refrigerated: 10 days
Frozen: Unacceptable
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Tues-Sat p.m.; Report available: 1-3 days
Clinical Significance
Iodine is an essential element that is required for thyroid hormone production. The measurement of iodine serves as an index of adequate dietary intake and iodine overload, particularly from iodine-containing drugs such as Amiodarone.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153