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Test Code UMGQ Magnesium, Urine, Quantitative

Collection Container

Jug

Specimen Required

24 Hour urine

Specimen Volume

1 mL

Minimum Specimen Volume

0.2 mL

Transport Temperature

Refrigerate

Specimen Stability

Room Temperature: 3 days, Refrigerated: 3 days, Frozen: 1
year

Methodology

Spectrophotometric; xylidyl blue

Reference Ranges

6-10 meq/24 hr

Turnaround Time

24 hours

Day(s) and Time(s) Performed

Test performed daily

CPT Code

83735

Units of Measure

mEQ/24Hr

LOINC Code

19124-7