Magnesium

Label Mnemonic:	UMG
Epic 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