31280:MAGNESIUM (Mg)

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31280:MAGNESIUM (Mg)
Alias Names: Mg
Methodology: Calmagite Endpoint
Edit Date: 1/15/2006
Performed: Daily
Released: Same day
CPT Code: 83735
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL green top tube (sodium or lithium heparin) or one 4.5 mL plasma separator tube (PST).
Handling: Centrifuge SST or PST and transport in original tube. Specimen drawn in green top tube must be centrifuged and the plasma separated into a plastic vial for transport. Refrigerate.
Standard Volume: 2 mL serum or plasma.
Minimum Volume: 0.5 mL serum or plasma.
Transport: Refrigerated.
Comments: Hemolyzed specimens can cause falsely elevated results because of intracellular magnesium levels.
Rejection Criteria: Tubes other than those specified; gross hemolysis.

1.6-2.6 mg/dL

PeaceHealth Laboratories