Magnesium
Label Mnemonic: UMG
Epic Lab Code: LAB644
Downtime Form: A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery
Chemistry
6240 RCP
356-3527
Specimen(s):
Urine 24 hr
Collection Medium:
Urine - 24 hour/timed plastic urine container
Alternate Collection Media:
Call laboratory for additional acceptable specimen collection containers.
Minimum:
24 hr collection; no preservative; collections other than 24 hr will not be calculated for mg/24 hr.
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around Time:
3 hours (upon receipt in laboratory)
Reference Range:
60 - 210 mg/24 hours
Comments:
This test is also performed in the Iowa River Landing (IRL) clinical laboratory (for specimens drawn at that site).
Methodology:
Colorimetric Endpoint
CPT Code:
83735
 
See Additional Information:
Urine Tests Requiring no Preservatives