Magnesium

Overview

  • EPIC Code:
  • LAB103
  • Soft Test Code:
  • MG
Alternate Names
  • MAG
  • Mg

Specimen Collection & Preparation

Specimen Requirements:

-OR-

1.0 mL Plasma from a PST Mint Green Top Tube - Lithium Heparin
Minimum Volume:
0.2 mL Plasma*
Neonatal Volume:
0.3 mL Whole Blood Green Microtainer*

* This volume does not allow for repeat testing

Collection Instructions:

Avoid hemolysis


Transport and Storage:
  • Ambient (18-24°C): 7 Days
  • Refrigerated (2-8°C): 7 Days
  • Frozen (-20° C or colder): 1 Year

Clinical Interpretation

Reference Range:

1.8 - 2.5 mg/dL


Critical Ranges:

NICU (Infants in a Parkview Health Neonatal Intensive Care Unit): 
Low: < 1.4 mg/dL
High: > 5.0 mg/dL


Low: < 1.0 mg/dL
High: > 5.0 mg/dL


Methodology:
  • Colorimetric

Production Schedule

Sites Performed
  • Parkview Bryan Hospital
  • Parkview Cancer Institute
  • Parkview DeKalb Hospital
  • Parkview Huntington Hospital
  • Parkview Kosciusko Hospital
  • Parkview LaGrange Hospital
  • Parkview Logansport Hospital
  • Parkview Montpelier Hospital
  • Parkview Noble Hospital
  • Parkview Randallia Hospital
  • Parkview Regional Medical Center
  • Parkview Southwest
  • Parkview Wabash Hospital
  • Parkview Whitley Hospital
Days Performed
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Departments
  • Chemistry
Turn Around Time

Same day/1 to 2 days


Stat Eligible

Coding & Compliance

CDM

01426306


CPT Coding

83735


Medical Necessity May Apply