Magnesium, RBC
Also known as: RBC Magnesium, MG (RBC), MG RBC, MG++ (RBC), RBC MG
Use
Magnesium is an essential trace element. Deficiency may lead to irritability, neuromuscular abnormalities, cardiac and renal damage; as salts it’s used as antacids and cathartics. Excessive magnesium can cause central nervous system depression, loss of muscle tone, respiratory and cardiac arrest.
Special Instructions
Patient should refrain from taking vitamins or mineral herbal supplements for at least one week before sample collection. Do not centrifuge whole blood; packed RBC may be prepared by centrifugation and plasma removal, then transferred to a trace‑element free tube.
Limitations
Not provided.
Methodology
Mass Spectrometry
Biomarkers
LOINC Codes
- 26746-8
Result Turnaround Time
3-6 days
Related Documents
For more information, please review the documents below
Specimen
Whole Blood
Volume
1 mL
Minimum Volume
0.5 mL
Container
EDTA (lavender‑top) tube or EDTA (royal‑blue/top) tube or sodium heparin (royal blue‑top) tube
Collection Instructions
Do not centrifuge whole blood.
Patient Preparation
Refrain from taking vitamins or mineral herbal supplements for at least one week before collection.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 4 days |
| Refrigerated | 7 days |
| Frozen | Unacceptable |
Other tests from different labs that may be relevant