Test ID NBLD0176 Magnesium, 24 HR Urine
Specimen Type/Requirements
24 Hour Urine Container - Urine aliquot from a well mixed and measured 24 Hour Urine (preferred)
24 Hour Urine Container - Complete 24 Hour Urine Collection (also acceptable)
Do not submit a specimen in a urine container that contains a transfer device in the lid.
Refrigerate during collection, no preservative, record total volume, mix well before aliquoting. If more than one urine container is collected, use proportional quantities from each well mixed container for the aliquot.
Specimen Volume
| Preferred Volume | 1.0 mL |
|---|---|
| Minimum Volume | 0.5 mL |
Stability/Transport
| Room Temperature | 2 days | |
|---|---|---|
| Refrigerated | 2 days | Preferred for transport |
| Frozen | 1 year |
Performed Test Frequency
Monday through Sunday
Report Available
1 - 3 days
Methodology
Enzymatic
Performing Lab
Sanford Laboratories Sioux Falls
CPT
83735