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Test Code MG24 Magnesium, 24 Hour, Urine

Methodology

Xylidyl blue

Performing Laboratory

Munson Healthcare Laboratories

Specimen Requirements

3 mL from a 24-hour urine collection in a plastic urine container supplied. No preservative. Send specimen refrigerated.

Note: 1. 24-Hour volume is required.

2. Follow instructions in Urine Collection in Special Instructions.

3. Medicare frequency limitations exist for this test in addition to diagnosis requirements. See Advance Beneficiary Notice of Noncoverage (ABN) form in Special Instructions.

Reference Values

86-121 mg/24 hours

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

83735

Special Instructions