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 L&D

Test Code
MGLD


Alias/See Also
Mg


Preferred Specimen

Specimen Type: Serum
Collection Container: Serum gel
Specimen Volume: 3.5 mL




Minimum Volume

0.5 mL




Other Acceptable Specimens

Specimen Type: Plasma
Collection Container: Green top (Lithium heparin)




Instructions

Collection Instructions: Centrifuge and separate cells after clot formation and within 4 hours of collection.  



Additional Information: If other metal tests are also desired when drawing for a serum magnesium level; the specimen must be drawn in a plain, royal blue-top Vacutainer plastic trace element blood collection tube.




Transport Container
Plastic vial


Specimen Stability

Room temperature: 7 days
Refrigerated: 7 days
Frozen: 1 year




Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Unlabeled, mislabeled, wrong tube type, QNS, hemolysis.




Methodology

Arsenazo



Setup Schedule

Daily




Report Available

Same day




Reference Range
See laboratory report


Performing Laboratory
Inova Laboratories
2832 Juniper Street
Fairfax, VA 22031



Last Updated: March 3, 2023
Last Review: N. Wolford, March 3, 2023


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.