Advanced Diagnostic Laboratories

Collect

Plain red top or SST tube.

Specimen Preparation

Onsite [NJH]: Transport to lab within 1 hour.
Offsite: Separate serum from cells within 2 hours by centrifuge and aliquot into a labeled polypropylene or similar plastic tube.
Preferred volume: 1 mL serum

Pediatric Collection

Minimum volume: 0.1 mL serum

Storage Transport Temp

Offsite: Frozen. Send serum Priority Overnight via FedEx and in a well insulated container on dry ice.

Stability

Stability after cell separation:
1 week refrigerated at 2-8°C

Performed

Monday - Friday

Methodology

Chromatic

Reported

4 hour routine, 1 hour STAT

Department

Core Lab

Synonyms

Metals (Magnesium, Serum);MG

Reference Interval

Magnesium, Serum	Human
	Male	Female
	mg/dL
All Ages	1.7-2.8	1.7-2.8

CPT Code

83735