Micronutrient, Magnesium, RBC
Quest Diagnostics
Sample type: Whole blood
Requires fasting: No
Phlebotomy required
Details
Magnesium is an essential trace element. Deficiency leads to irritability, neuromuscular abnormalities, cardiac and renal damage. Its salts are used as antacids and cathartics. Excessive amount may cause CNS depression, loss of muscle tone, respiratory and cardiac arrest.
- Magnesium (RBC)
Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected
Magnesium is a crucial trace element in our body. A deficiency in magnesium can lead to a variety of health issues, including irritability, muscle and nerve problems, as well as heart and kidney damage. On the other hand, too much magnesium can cause problems like muscle weakness, difficulty breathing, and even heart issues.
- Irritability
- Muscle and nerve issues
- Heart irregularities
- Kidney damage
- Weak muscles
- Difficulty breathing
- Heart problems
What type of sample is required for this test?
3–5 business days
Reference range not available for individuals <18 years for this micronutrient test.
Blood Draw Options with Fullscript
Fullscript offers several convenient phlebotomy options to complete your lab testing:
Quest Diagnostics Patient Service Centers (PSC)
- Location: Visit a nearby Quest Diagnostics Patient Service Center.
- Cost: $10 sample collection fee (paid during lab order checkout).
- Scheduling: Schedule your appointment here. Appointments are recommended to reduce wait times. Walk-ins are accepted, but may experience delays. Aim to arrive 10 minutes before your appointment.
- Collection Instructions:
- Bring a valid ID.
- Bring your digital or printed requisition form, available in the Labs tab of your Fullscript account.
- Check-in: Scan the QR code from your confirmation email or follow kiosk instructions.
- More Info: Quest Diagnostics blood draw guide
Getlabs Mobile Phlebotomy
- Location: Sample collection at your home or office.
- Cost: $85 sample collection fee (paid during lab order checkout).
- Availability: Available in most locations – enter your ZIP code during checkout to confirm.
- Scheduling: Schedule your appointment here through your Fullscript account.
- Collection Instructions:
- Have your digital or printed requisition form and valid ID ready.
- Your phlebotomist will contact you by phone to coordinate arrival.
- More Info: Getlabs blood draw guide
- Preferred Specimen(s): 0.5 mL packed red blood cells collected in an EDTA (lavender-top or royal blue-top) tube
- Alternative: NA
- Minimum Volume: 0.2 mL
- Collection Instructions: NA
- Transport Container: Trace-element and metal-free transport tube
- Transport Temperature: Refrigerated (Cold Packs)
- Specimen Stability:
- Room temperature: 30 days
- Refrigerated: 30 days
- Frozen: 30 days
- Reject Criteria: NA
Minimum age:
18
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island
