A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Magnesium, RBC
Test CodeAlias/See Also
LAB104
CPT Codes
<p>83735</p>
Preferred Specimen
Patient Preparation: Patient should refrain from taking vitamins, or mineral herbal supplements for at least one week before sample collection
Specimen Type: Packed Red Blood Cells (RBCs) (Preferred)
Collection Container/Type
Preferred: Dark Blue EDTA (Metal free)
Acceptable: Lavender top (EDTA)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
- Centrifuge to separate plasma from RBCs and discard plasma. Transfer RBCs to a plastic transfer vial from a Quest Diagnostics (trace element and metal free) collection kit.
Specimen Type: Whole Blood (EDTA)
Collection Container/Type
Preferred: Dark Blue EDTA (Metal free)
Acceptable: Lavender top (EDTA)
Specimen Volume: 1 mL
Collection Instructions:
- Do not centrifuge whole blood.
Patient Preparation
Patient should refrain from taking vitamins, or mineral herbal supplements for at least one week before sample collection
Minimum Volume
Packed RBCs: 0.2 mL
Whole Blood: 0.5 mL
Other Acceptable Specimens
Instructions
Whole blood: Do not centrifuge whole blood.
Transport Container
Transport Temperature
Specimen Stability
Packed
RBCs
Room temperature: 7
days
Refrigerated: 7
days
Frozen:
Unacceptable
Whole
Blood
Room temperature: 4
days
Refrigerated: 7
days
Frozen:
Unacceptable
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Tues-Sat
Report Available
4 days
Reference Range
Clinical Significance
Performing Laboratory
Quest Diagnostics Nichols Institute 14225 Newbrook Drive Chantilly, VA 20153
Last Updated: February 17, 2023