Test ID: UMGR
CPT code: 83735
LOINC: 19124-7
Specimen Type: Random Urine, no preservative
Frequency: Setup: Daily; TAT <24 hrs
Instructions: 5mL urine from random collection. No preservative, refrigerate.
Text: Evaluate magnesium metabolism; investigate electrolyte status; work up
nephrolithiasis.
Methodology: Colorimetric