Magnesium
Order Code: URMG
Order Form: Laboratory Requisition
Specimen:
Urine, Random
Collection Medium:
Yellow top conical tube (no additive)
Alternate Collection Media:
Call laboratory for additional acceptable specimen collection containers.
Minimum:
10 mL; random specimen (must have 10 mL to titrate)
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Analytic Time:
1 hour (upon receipt in laboratory)
Methodology:
Colormetric Endpoint
Instructions:
10 mL minimum random sample.
Sample Processing:
Submit urine in leak-proof plastic container.
Label transport tube with two patient identifiers, date and time of collection.
Sample Storage:
Refrigerate.
Transport Instructions:
Place requisition into outside pocket of bag.
Place specimen into zip-lock type bag, seal bag.
Transport in cooler with refrigerated coolant packs.
CPT Code:
83735
 
See Additional Information:
Urine Tests Requiring no Preservatives