Laboratory Test Detail

Last Updated: June 18, 2024 @ 9:13 am


Magnesium, Urine

  • Timed Urine in Timed Urine Container

Also Acceptable:
  • Random Urine in Sterile Specimen Container
  • 4 mL (Min:0.5 mL) Aliquot(s) Timed Urine in Trace Element Free Tube. Submit Refrigerated.

Also Acceptable:
  • 4 mL (Min:0.5 mL) Random Urine in Trace Element Free Tube. Submit Refrigerated.
Special Handling:
  • Keep Specimen Refrigerated During Collection
  • State Collection Time
  • State Volume
  • Adjust pH to 1 by adding 6M HCl (approximately 10 mL HCl/24-hour specimen based on normal adult output of 1000-2000 mL/24 hours. Pediatric specimens will require less than 10 mL to reach the correct pH).
    Transfer 4 mL aliquot of urine from a well-mixed 24-hour collection to an Standard Transport Tube. (Min: 0.5 mL)
Rejection Criteria:
  • Specimens containing preservatives
Stability:Ambient: 3 Day(s); Refrigerated: 2 Week(s); Frozen: 12 Month(s); Incubated: Unacceptable
  • Quantitative Spectrophotometry
Reported:1-2 Day(s)
CPT Codes:
  • 83735
Interpretive Data:Please see report for interpretive data.
  • 93008 - CREAT, UR
  • 93009 - CREATININE
  • 93010 - MAGNESIUM, UR
  • 93011 - MAGNESIUM, UR
  • 93388 - URINE VOLUME
Print Friendly, PDF & Email

It is preferable to locate tests on the website and not rely on printed test information, which may soon be out of date.
Updated test information can only be guaranteed by using this website.