Test Directory
3222 Magnesium
Specimen Type
Specimen Stability
Reference Range
Serum-SST
7 days 2-8°C
1.9-2.7 mg/dL
Specimen Requirements
Preferred amount: 1.0 mL Serum
Minimum amount: 0.5 mL Serum
Minimum amount: 0.5 mL Serum
Method
Colorimetric
Schedule
Mon-Sat
Turn-Around Time
24hrs; Also offered STAT at an additional charge
Instructions/Notes
Centrifuge required?: Yes
Clinical Utility
To evaluate the level of magnesium in the blood and to help determine the cause of abnormal calcium and/or potassium levels.
CPT Codes
83735
