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.
more

Collect

24 hour urine
more

Specimen Preparation

Collect 24 hour urine, refrigerate during collection. Send 8.0 mL urine refrigerated in a blue capped ARUP metal-free screw capped plastic vial. Record total volume and collection time interval on container.
more

Alternate Specimen

Urine, random
more

Minimum Volume

1.0 mL
more

Transport Temperature

Refrigerated
more

Rejection Criteria

Acid preserved urine, specimens contaminated with blood or fecal material, urine collected within 24 hours of gadolinium administration (contrast media)
more

Stability

Room temperature: 7 days
Refrigerated: 14 days
Frozen: 1 year
more

Methodology

Quantitative Inductively Coupled Plasma - Mass Spectrometry
more

Reference Range

See report
more

Performing Laboratory

ARUP Reference Laboratory
more

New York DOH Approval Status

Yes
more