Sign In
Labcorp Oklahoma, Inc.
Test Directory


Index:

Magnesium

Order Name MAGNESIUM
Test Number: 2004100
Revision Date 05/28/2021
Test Name Methodology LOINC Code
Magnesium
Colorimetric 2601-3 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Plasma Lithium Heparin PST (Light Green Top) Refrigerated
Alternate 1 1 mL (0.5) Serum Clot Activator SST Refrigerated
Instructions Stability: Ambient 7 days, Refrigerated 7 days, Frozen 1 year
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 1-2 days  
Clinical Use Useful for the identification of malabsorptive disorders, pancreatitis, abnormalities associated with renal clearance, drug therapy and for monitoring treatment of toxemia of pregnancy. 
CPT Code(s) 83735
Lab Section Chemistry