laboratory diagnostic - biochemistry - Iodine - urine, Collect an early morning urine (EMU) (or a 24 hour urine sample if screening for a surcharge) or a urine sample at the end of a shift if for occupational health - 10ml. Specify diuresis; for occupational health requests, please indicate on request form, Inductively Coupled Plasma-Mass Spectrometry (ICP-MS), ssso, todylaboratories®, bmn, code L16LD1234