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Test Code Mg Magnesium

Important Note

Order LAB103

Performing Laboratory

YRMC Laboratory

Day(s) Test Set Up

Monday through Sunday 

Specimen Requirements

LT Green/Mint Top (NAHEP)

Minimum Draw Volume: 2mL

Order of Draw

BD Vacutainer Blood Collection System

Specimen Transport Temperature

Serum

Stability- Refrigerated Up to 24 hours from the time of collection.

Stability- Ambient Up to 8 hours from the time of collection.

If specimens cannot be centrifuged, they must be received in the laboratory within 2 hours.

Urine

Sterile Container 

LOINC Code

19123-9

CPT Code

83735

Unit of Measure

Serum = mg/dL

Urine = mg/24hr