Magnesium, Urine 24 Hour
Test Mnemonic
UMAGD
CPT Codes
- 83735 - QTY (1)
LOINC ®
24447-5
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 10 mL | Urine, 24-hour (well-mixed) | Urine | Ambient or Refrigerated | Refrigerated |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Refrigerated | 7 days |
| Frozen | 2 weeks |
| Ambient | 7 days |
Days Performed
Sun - Sat
Turnaround Time
1 - 2 days
Methodology
| Name | Description |
|---|---|
| Colorimetric Endpoint |
Reference Range
| Magnesium, Urine 24 Hour | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| 18 Years | 999 Years | Normal | 12 - 291 | mg/24 hrs | Days | 17 Years | Normal | See comment (PEDSREF) |
Special Info
Indicate total volume on requisition. Separate specimens must be submitted when multiple tests are ordered.
Clinical Info
Evaluate magnesium metabolism