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

L&D – critical high > 8.0 mg/dL

General population:

0 mins - 18yrs - critical low < 1.0 mg/dL

18 yrs-150 yrs – critical low < 0.5 mg/dL

0 mins-150 yrs critical high >t 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