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Test ID IOD Iodine, Serum

Useful For

Determining iodine overload using serum specimens

 

Monitoring iodine levels in individuals taking iodine-containing drugs

Method Name

Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

Reporting Name

Iodine, S

Specimen Type

Serum


Specimen Required


Patient Preparation:

1. Disinfectants, such as Betadine that contain iodine should not be used during specimen collection..

2. High concentrations of gadolinium and iodine may interfere with inductively coupled plasma mass spectrometry-based metal tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.

Supplies:

-Metal Free B-D Tube (No Additive), 6 mL (T184)

-Metal Free Specimen Vial (T173)

Collection Container/Tube: Plain, royal blue-top Vacutainer plastic trace element blood collection tube

Submission Container/Tube:  Mayo metal-free, screw-capped, polypropylene vial

Specimen Volume: 1 mL serum

Collection Instructions:

1. Allow specimen to clot for 30 minutes; then centrifuge the specimen to separate serum from the cellular fraction.

2. Remove the stopper. Carefully pour specimen into Mayo metal-free, polypropylene vial, avoiding transfer of the cellular components of blood. Do not insert a pipet into the serum to accomplish transfer, and do not ream the specimen with a wooden stick to assist with serum transfer.

3. See Trace Metals Analysis Specimen Collection and Transport for complete instructions.


Specimen Minimum Volume

Serum: 0.3 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 28 days
  Ambient  28 days
  Frozen  28 days

Reference Values

40-92 ng/mL

Day(s) Performed

Monday through Friday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

83789

LOINC Code Information

Test ID Test Order Name Order LOINC Value
IOD Iodine, S 2494-3

 

Result ID Test Result Name Result LOINC Value
81574 Iodine, S 2494-3

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

Report Available

2 to 4 days

NY State Approved

Yes