This Iodine Urine Test assesses the urinary levels of iodine which is needed by the thyroid gland for the production, storage and release of thyroid hormones.
Iodine is measured by IPS-MS
When should I use
The test is from First Morning Void (FMV).
If you wish to test over a 24 hour period a larger collection container will need to be requested.
For testing after administration of a loading dose of iodide/iodine see Urine Iodine; Pre & Post Loading Combo (test code NUT04)