Clinical use
Used mainly as a nutritional marker or supplementary to thyroid function testing.
Background
Iodine is an essential element that plays a central role in thyroid physiology with iodine compounds being essential for normal growth and development in vertebrates. Since the introduction of iodine as a supplement into table salt as potassium iodide, iodine deficiency is rarely seen in the general population.
Reference ranges
Listed on report
Patient preparation
None required
Specimen requirements
Plain urine container
Turnaround time
1 week
Referred test
Referred test
Location
SAS Unit for Trace Elements