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HelpTest ID FMAGR Magnesium, Red Blood Cell
Profile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| Z4363 | Magnesium, RBC | No | Yes |
| Z4364 | Magnesium, Plasma | No | No |
Method Name
Inductively Coupled Plasma/Mass Spectrometry (ICP-MS)
Reporting Name
Magnesium, RBCSpecimen Type
Metal Free EDTA PlasmaRBCS
Collect whole blood from a metal-free EDTA (royal blue top) tube. Spin down and separate plasma and red blood cells immediately. Ship 2 mL plasma and 2 mL RBC in metal-free tubes, refrigerate.
NOTE: Both plasma and RBCs are required for testing.
Specimen Minimum Volume
0.3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Metal Free EDTA Plasma | Refrigerated (preferred) | 5 days |
| Ambient | 72 hours | |
| RBCS | Refrigerated (preferred) | 5 days |
| Ambient | 72 hours |
Reference Values
3.5 – 7.1 mg/dL
Day(s) Performed
Monday through Sunday
Report Available
3 daysPerforming Laboratory
Medtox Laboratories, Inc.CPT Code Information
83735