Magnesium Level

Additional Codes

LAB103

MBMC Main Laboratory

Colorimetric -Xylidyl Blue

Specimen Type: Plasma
Container/Tube: Mint green-top (lithium heparin gel)
Specimen Volume: Full tube

Alternative Specimen Type: Serum

Alternative Container/ Tube: Gold, Serum gel

Alternative Specimen Volume: Full tube

Ambient

Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory
Routine: within 4 hours

Critical:

L&D: <1.0 or ≥7.3 mg/dL

Adult ≥18 yrs: <1.0 or >4.8 mg/dL

Pediatric <18 yrs: <1.0 or >4.8 mg/dL

Test Classification:

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer’s instructions.

CPT Code:

83735

5 days Refrigerated