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HelpTest Code U Mg Urine, Magnesium Level
Aliases
Random urine magnesium
Patient Preparation
No special patient preparation required
Collection Method
Sterile urine collection
Minimum Volume
- Adults: 0.5 ml
- Pediatric: 0.3 ml
Container
Sterile Urine Cup
Preferred Specimen
Sterile Urine Cup
Acceptable Specimens
Urine
Reference or Target Ranges
No reference values for random urine given
Reportable Units
mg/dL
Critical Value
Not defined for this assay
Reasons for Rejection
| Hemolysis Threshold |
800 mg/dL |
| Icterus Threshold |
60 mg/dL |
| Lipemia Threshold |
2000 mg/dL |
| Other |
QNS, contaminated, improperly Labeled, improper specimen type |
Specimen Stability
| Ambient |
3 days |
| Refrigerated (4°C to 8°C) |
3 days |
| Frozen(-40°C to 0°C) |
1 year |
Performance Information
| Days and Time Performed |
24/7 |
| Expected Turn Around Time |
Stat: 1 hour Routine: 4 hours |
| Stat Availabilty |
Yes |
| Performing Bench |
UH Chemistry, WCH Chemistry |
| Methodology/Method Description |
Roche Cobas – Colorimetric endpoint method |
CPT Codes
83735