A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
MAGNESIUM, URINE, RANDOM
Test CodeRMG
CPT Codes
83735
Preferred Specimen
Sterile Container

Patient Preparation
Collection by patient
Minimum Volume
1 mL (5 mL optimal)
Transport Container
URINE Container
Transport Temperature
Room temperature
Specimen Stability
2-8°C up to 7 days
Methodology
Photometric
Setup Schedule
DAILY, as received
Report Available
STAT: <60 minutes
Routine: <4 hours
Routine: <4 hours
Reference Range
Reference ranges have not been established for random samples
Clinical Significance
Urinary magnesium concentrations often decline before serum concentrations, such as in cardiac arrhythmias.
Performing Laboratory
Mount Sinai Hospital