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MAGNESIUM, URINE, 24 HOUR

Message
  • Submit the Total Volume in mLs.


Test Code
MGUN


CPT Codes
83735

Includes
Magnesium


Preferred Specimen
Container without preservative


Minimum Volume
10 mL aliquot


Instructions

  • Mix the specimen well and measure the 24-Hour volume

  • Note the total volume in mLs.

  • Pour off 20 mL of urine into a separate plastic screw-cap container.

  • Refrigerate if not tested immediately.

  • Sample will be acidified by Central Lab staff with concentrated HCL to a pH of 1 prior to testing.




Transport Container
Plastic screw-cap container.


Transport Temperature
Refrigerate


Specimen Stability
2-8°C up to 7 days


Methodology
Photometric

Setup Schedule
M, T, W, Th, F, Sa, Sun


Report Available
Same day tested at the performing laboratory.


Reference Range
24 - 255 mg/24 Hours


Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab  
NCHB1 (Chemistry, Beckman AU)

Additional Information
24 Hour Urine Collection

Last Updated: January 23, 2025


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.