24 Hour Urine, Iodine Free

Synonyms

• IF24
• IODINE FREE, URINE 24 HOUR
• LAB11698

Cerner Name

zzIodine Free 24hr Urine

Clinical Info

Assessment of iodine toxicity or recent exposure in a 24-hour urine collection
Monitoring iodine excretion rate as index of replacement therapy

Specimen Sources

Bladder Kidney, Left Kidney, Right Ureter, Left Ureter, Right Urine, Catheter Urine, Clean Catch Urine, Foley Urine, Voided

Specimen Types

Urine

Specimen Volume

10 mL 24 Hr urine (0.5 mL min)

Container

Urine Cntr

Collection Instructions

Container/Tube: 24 Hour Urine container
Specimen: 10 mL 24 Hr urine (0.5 mL min)
Transport Temperature: Refrigerated
Stability: 146 Days Room Temperature, Refrigerated or Frozen
Patient Preparation:
1. High concentrations of gadolinium and iodine are known to interfere with most metals tests. If gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
2. If this test is used in conjunction with the I uptake test, then specimen collection should begin immediately after the dose of I is given (ie, the patient should void and discard urine just prior to the I dose, and all subsequent urine should be collected for the next 24 hours). The last void should be included in the collection

Transport Instructions

Refrigerated

Specimen Stability

146 Days Room Temperature, Refrigerated or Frozen
Patient Preparation:
1. High concentrations of gadolinium and iodine are known to interfere with most metals tests. If gadolinium- or iodine-containing contrast media has been administered, a specimen sh

Methodology

Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)

Days Performed

Performing Laboratories

• AML/Quest Laboratories

CPT

83789
LOINC Code: 2492-7

PDM

5910710

Results

Result Interpretation

Forms