Iodine, Serum/Plasma

Test Code

IODINE

Quest Code

16599

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

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

Reference Range

52-109 mcg/L

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

Last Updated: August 30, 2014

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.