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

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

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