Magnesium

Test Code
LAB103


Alias/See Also
MG


CPT Codes
83735

Instructions
"Routine venipuncture
Collect one 4.5ml light green top (lithium heparin) tubeor one 5ml Red/gold top serum separator tubeĀ "


Specimen Stability
Refrigerate, stable 7 days


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


Methodology
Colorimetric:The amount of dye complex formed is proportional to the magnesium conc. present in the sample by reflection density.

Setup Schedule
Daily


Report Available
Daily


Reference Range
"1.6-2.3 mg/dL
Critical Values: Less than 0.9 or greater than 4.1 mg/dL"


Additional Information
LCD for Magnesium


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.