Iodine, 24-Hour Urine

Test Code
16602


CPT Codes
82542

Includes
CPT code 81050 may be added at an additional charge for volume measurement


Preferred Specimen
10 mL aliquot of well-mixed 24-hour urine - no preservative


Minimum Volume
2 mL


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 10 days
Refrigerated: 10 days
Frozen: Unacceptable


Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

Setup Schedule
Sets up 3 days a week.


Clinical Significance
Iodine is as essential element that is required for thyroid hormone production. The measurement of urinary iodine serves as an index of adequate intake.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.