Test Code 18271 Magnesium
Purpose
Discovering cases of hypomagnesemia or hypermagnesemia indicative of various disorders.
Performing Laboratory
Copley Hospital
Methodology
Bichromatic Endpoint
Specimen Requirements
Specimen Type: Blood (Plasma or Serum)
Preferred: Light-Green Top
Acceptable: Gold Top
Specimen Volume: Full Tube
Specimen Minimum Volume: 2 mL
Collection Instructions:
1. Label specimen with patient’s full name, date of birth,
date & time of collection and person collecting.
2. If delay in specimen transport > 1 hour, centrifuge tube.
3. Refrigerate specimen during transport.
Reference Values
Normal: 1.8 - 2.4 mg / dL
Stability
Refrigerated: 7 Days
Day(s) Performed
Daily
Available STAT
Analytical Time: 1 Day
Aliases
Magnesium
Mg
Test Classification and CPT Coding
83735