Diagnostic Testing Medical

Test name: Magnesium

Order Code: MG

Preferred Specimen: 2mL serum in a Serum Separator Tube (SST or Tiger-top)

CPT Code: 83735

Collection: Allow SST to clot in an upright position for 30 min, then centrifuge sample within 2 hours of collection. Refrigerate.

Special Instructions and Considerations: Hemolysis elevates results depending on the content of the analyte in the lysed erythrocytes.

Transport Temperature: Refrigerated

Specimen Stability: 7 days under room temperature; 7 days refrigerated

Causes for Rejection: Gross hemolysis

Arbor Diagnostics