| Ordering Code | 8438 |
|---|---|
| Test Name | Magnesium, Random Urine |
| Alias | Random Urine Magnesium |
| Preferred Specimen | Urine, Random |
| Preferred Container | Clean Container |
| Optimum Volume | 1 mL |
| Collection Instructions | No preservatives added. |
| Handling Instructions | Processing: Adjust pH to 1 with concentrated HCl. If precipitate forms, shake, mix, acidify, and warm to 60 C to dissolve. |
| Transport Requirements | Oahu: Refrigerated Airline: Refrigerated |
| Specimen Stability | Refrigerated: 3 Days Frozen: 1 Year |
| Rejection Criteria | Specimen older than stability limits |
| Avail. Stat | NO |
| Analytic Time | 1 Day |
| Methodology | Xylidyl Blue |
Reference range(s)
The reference ranges listed below are valid on this date of November 22, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Magnesium, Urine | ALL | mg/dL | See report. |
