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HelpTest Code LAB405 Magnesium, Urine, Random
Methodology
Colorimetric
Performing Laboratory
RCH
Specimen Requirements
10 mL from a random urine collection in a screw-capped, sterile container. No preservative. Early-morning, clean-catch random urine collection is recommended. Maintain sterility and forward promptly.
Specimen Stability
Refrigerated: 7 days
Frozen: -20C for 1 month
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
83735