Magnesium/Creatinine Ratio, Urine
Test Mnemonic
UMGCRR
CPT Codes
- 83735 - QTY ()
- 82570 - QTY ()
Includes
- Magnesium Random, Urine
- Creatinine Random, Urine
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 10 mL | Urine, random | Urine | Ambient or Refrigerated |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 7 days |
| Refrigerated | 7 days |
| Frozen | 2 weeks |
Days Performed
Sun - Sat
Turnaround Time
1 - 2 days
Methodology
| Name | Description |
|---|---|
| Colorimetric Endpoint | |
| Enzymatic |
Special Info
Separate specimens must be submitted when multiple tests are ordered.