Sorted By Test Name - Mayo Medical Laboratories

FIPEC
91134
FEC
34624
measurement of urinary iodine serves as an index of adequate dietary iodine intake.
Useful For: Monitoring iodine excretion rate as an index of daily iodine replacement therapy
Correlating total body iodine load with (131)I uptake studies in assessing thyroid function
Interpretation: Daily urinary output 1,000
mcg/g creatinine may indicate dietary excess, but more frequently suggest recent drug or contrast media
exposure.
Reference Values:
16-40 years: 70-530 mcg/g Creatinine
41-70 years: 70-860 mcg/g Creatinine
>70 years: 70-1,150 mcg/g Creatinine
Reference values have not been established for patients that are 150 mcg/dL and percent
saturation is >60%. In advanced iron overload states, the percent saturation often is >90%. For more
information about hereditary hemochromatosis testing, see Hereditary Hemochromatosis Algorithm in
Special Instructions.
Current as of January 4, 2013 7:15 pm CST 800-533-1710 or 507-266-5700 or MayoMedicalLaboratories.com Page 1047