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HelpTest Code LAB103 Magnesium
Department
CHEMISTRY
Primary Collection Container
Green PST (Lithium Heparin)
Alternate Collection Container
Green Microtainer PST
Transport
Plasma refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Centrifuge and refrigerate.
Separate from cells within 2 hours.
Stability
Refrigerated: 72 hours
Minimum Testing Volume
0.5 mL
Reference Range
1.8 – 2.4 mg/dL
Methodology
Roche c503 Colorimetric endpoint method
Performed
Sunday – Saturday
Reported
As completed
CPT Codes
83735
Unacceptable Conditions
Hemolysis.