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Labcorp Oklahoma, Inc.
Test Directory


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Iodine Urine (24-hour or Random)

Order Name Iodine Urine
Test Number: 5613571
Revision Date 12/09/2022
Test Name Methodology LOINC Code
Iodine Urine (24-hour or Random)
Inductively-Coupled Plasma/Mass Spectrometry  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 15 mL (10 mL) Urine, 24-hour 24 hour Urine Container Room Temperature
Instructions Specimen Type: Plastic urine container, without preservative
Specimen Storage: Maintain specimen at room temperature.
Specimen Collection: Instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Screw the lid on securely. Transport the specimen promptly to the laboratory. Container MUST be labeled with patient's full name, room number, the date and time collection started, and the date and time collection finished. Do NOT use preservatives.
Special Instructions: If 24-hour urine is submitted, the request form MUST state 24-hour collection volume.
Specimen Stability: Ambient: 7 days, Refrigerated : 14 days, Frozen: 14 days
GENERAL INFORMATION
Expected TAT 2 - 4 days  
Clinical Use Recommended for the assessment of iodine nutritional status. This test reports total iodine from all iodine-containing species present in the specimen but does not determine the chemical form (species) of the iodine present. For determination of iodine excess and monitoring iodine overload in patients administered iodine-containing medications, refer to Iodine, Serum 
Performing Labcorp Test Code 070172 
Notes Labcorp Test Code: 070172
CPT Code(s) 82570, 83789
Lab Section Reference Lab