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Test Code MG MAGNESIUM

EPIC Test ID

1230100005

Test Synonyms

MG

Collection Requirements


Collection Tube:

  • Inpatients: Light Green Top (Lithium Heparin) Tube
  • Outpatients: Red Top SST or Yellow Top SST Tube

Minimum Volume: 1.0 mL serum or plasma
Collection Instructions: Centrifuge the specimen and separate the serum or plasma from cellular components within 2 hours of collection.

Shipping and Handling Instructions

Submission Tube: Original collection tube
Minimum Volume: 1.0 mL serum 
Specimen Stability: Refrigerated 7 days, Frozen 1 month, Room Temperature 7 days. 
Transport: Refrigerated 
Rejection Criteria: Hemolysis
Note: For tests performed at UHS Medical Oncology, refer to the laboratory handbook for specimen stability requirements.

Specimen Type

Blood

Specimen Source

Blood, Capillary

Blood, Central Line

Blood, Venous

Specimen Tube Description

WMH Hospital Lab: LT GREEN/MINT TOP- LIHEP,YELLOW TOP SST,RED TOP SST

BGH Hospital Lab: LT GREEN/MINT TOP- LIHEP,YELLOW TOP SST,RED TOP SST

CMH Hospital Lab: LT GREEN/MINT TOP- LIHEP,YELLOW TOP SST,RED TOP SST

DVH Hospital Lab: LT GREEN/MINT TOP- LIHEP,YELLOW TOP SST,RED TOP SST

UHS MEDICAL ONCOLOGY HEME/CHEM: LT GREEN/MINT TOP- LIHEP,YELLOW TOP SST,RED TOP SST

Performing lab

United Health Services Laboratories

Section

WMH Chemistry

BGH Chemistry

CMH Chemistry

DVH Chemistry

UHS Medical Oncology Heme/Chem

CPT Code

83735

Loinc

19123-9

EAP

LAB103