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85120:IODINE, TOTAL | |||||||||
Alias Names: | Iodide | ||||||||
Methodology: | Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) | ||||||||
Edit Date: | 6/8/2009 | ||||||||
Performed: | Varies, twice each week | ||||||||
Released: | 24 hours after setup at PeaceHealth Laboratories’ reference lab. | ||||||||
CPT Code: | 83789-90 | ||||||||
Specimen Collection Details | |||||||||
Collection: | One 6 mL royal blue top tube (EDTA). Also acceptable: One 6 mL royal blue top tube Trace Element – no additive. | ||||||||
Handling: | Centrifuge and separate plasma or serum into a metal-free screw cap vial. Do not insert pipette into the plasma or serum, and do not ream the specimen with a wooden stick to remove any clots. | ||||||||
Stability: | 24 hours ambient or 10 days refrigerated. Unstable frozen. | ||||||||
Standard Volume: | 1 mL plasma or serum. | ||||||||
Minimum Volume: | 0.5 mL plasma or serum. | ||||||||
Transport: | Refrigerated. | ||||||||
Rejection Criteria: | Specimen frozen; other than EDTA serum or plasma in a royal blue top tube. |
Reference Range: | |||||||||||||||||||
40-92 µg/L |
Values between 80 µg/L and 250 µg/L have been reported to indicate hyperthyroidism.
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Values >250 µg/L may indicate iodine overload.
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Administration of iodine-based contrast media and drugs, such as amiodarone, will yield elevated results. Disinfectants such as betadine which contain iodine should not be used during venipuncture. If gadolinium-containing contrast media has been administered, a specimen should not be collected for 48 hours. |