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MAGNESIUM, 24 HOUR URINE
Number 464
CPT Code 83735
Alias 
Specimen Container 24Hr Urine Container
Specimen Type 24 Hr Urine with 6N HCl
Turn Around Time 
Days Performed Tuesday & Friday
Reference Range 
Alternate Specimen 
Volume 5 mL Aliquot
Stability Ambient 7 days
Stability Refrigerated 7 Days
Stability Frozen 2 Months
Patient Preparation 
Methodology 

Spectrophotometry

Limitations 
Rejection Criteria 
Additional Instructions 
Performing Laboratory Primex
TagsHYPOMAGNESEMIA, MA

COVID-19 Testing Guidance

Primex Clinical Laboratories strives to provide clients with quality testing services to better support patient health. With the ongoing pandemic, COVID-19 testing has become high in demand yet testing supplies are limited.

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COVID-19 Testing Guidance

Primex Clinical Laboratories strives to provide clients with quality testing services to better support patient health. With the ongoing pandemic, COVID-19 testing has become high in demand yet testing supplies are limited.

Read More