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Iodine Urine Random (Sendaway Test)

Alternative Names:Urine Iodine (Random)
Laboratory:Clinical Biochemistry
Test Code:RIO
Medicare rebatable:Yes
Specimen Types:Urine random
Container Types:
Plain 70mL potPlain 70mL pot
Transport Instructions:Room Temperature
Processing Instructions:Centrifuge
Aliquot
Store at 4'C
Assay Frequency:Weekly
External Laboratory:The Alfred Pathology Service (APS)
  External Laboratory details...
Additional Notes:

Reference Intervals:

Adults:  0.2-5.0 umol/L

Children (under 18yo):  0.3-6.0 umol/L

Note: that Iodine concentration is a marker of recent intake and does not necessarily confirm insufficiency
WHO recommends urine iodine concentrations of 100-200 ug/L which is equivalent to 0.79-1.58 umol/L

(Ref: WHO. Urinary iodine concentrations for determining iodine status deficiency in populations. Vitamin and Mineral Nutrition Information System. Geneva: World Health Organization; 2013 (http://www.who.int/nutrition/vmnis/
indicators/urinaryiodine, accessed 23/2/16).)

In pregnancy, urinary iodine concentrations of 1.2 - 2 umol/L (150 -249 ug/L) indicate adequate iodine intake(1).

1. WHO. Urinary iodine concentrations for determining iodine status deficiency in populations. Vitamin and Mineral Nutrition Information System. Geneva: World Health Organisations; 2013 (http://www.who.int/nutrition/vmnis/indicators/urinaryiodine)