Test Details
Mnemonic
NICRU
Ordering Code
3600183
CPT-4 Code(s)
83885
Specimen Information
Patient Preparation
Patients are encouraged to discontinue nutritional supplements, vitamins, minerals and non-essential over the counter medication. Abstinence from iodine - containing medications or contrast agents for at least 1 month prior to urine collection is recommended.
Collect
24 hour urine
Specimen Preparation
Collect 24 hour urine, refrigerate during collection. Send 8.0 mL urine in a blue capped ARUP metal-free screw capped plastic vial. Record total volume and collection time interval on container.
Alternate Specimen
Urine, random
Minimum Volume
1.0 mL
Transport Temperature
Refrigerated
Rejection Criteria
Acid preserved urine, specimens contaminated with blood or fecal material, urine collected within 24 hours of gadolinium administration (contrast media)
Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 1 year
Refrigerated: 14 days
Frozen: 1 year
Methodology
Quantitative Inductively Coupled Plasma - Mass Spectrometry
Reference Range
See report
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes