ARUP's Laboratory Test Directory

Iron, 24-Hour Urine : 0092482

Mnemonic: IRON URN

Methodology: Quantitative Inductively Coupled Plasma-Emission Spectrometry
Performed: Varies
Reported: 6-13 days
Specimen Required: Patient Prep: 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 48 hours.

Collect: 24-hour urine. Specimen must be collected in a clean plastic container with no metal cap(s) or glued insert(s) and should be refrigerated during collection.

Specimen Preparation: Specimen must be refrigerated within 4 hours of completion of 24-hour collection. Transfer one 10 mL aliquot from a well-mixed 24-hour urine collection to ARUP Standard Transport Tubes. (Min: 1 mL) No preservative. Record total volume and collection duration on transport tube and test request form.

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Room temperature specimens.

Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 1 week

Reference Interval:
By report
CPT Code(s): 83540
Cross References: Fe (Iron, 24-Hour Urine)
 
 

 

 

 
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