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Magnesium, Urine
Test Code3391
CPT Codes
83735
Preferred Specimen
Submit only 1 of the following specimens:
24-Hour Urine
Container/Tube: Plastic urine container(s)
Specimen Volume: 5 mL from a 24-hour urine collection
Collection Instructions: Add 10 mL of 12 N HCl at start of collection.
Note: 1. 24-Hour volume is required. 2. Follow instructions in Urine Collection in Special Instructions.
Random Urine
Container/Tube: Plastic urine container(s)
Specimen Volume: 1 mL from a random urine collection
Collection Instructions: No preservative.
24-Hour Urine
Container/Tube: Plastic urine container(s)
Specimen Volume: 5 mL from a 24-hour urine collection
Collection Instructions: Add 10 mL of 12 N HCl at start of collection.
Note: 1. 24-Hour volume is required. 2. Follow instructions in Urine Collection in Special Instructions.
Random Urine
Container/Tube: Plastic urine container(s)
Specimen Volume: 1 mL from a random urine collection
Collection Instructions: No preservative.
Instructions
Urine Collection
Transport Temperature
Refrigerate
Methodology
Methylthymol Blue
Reference Range
24-255 mg/specimen
The reference value is for a 24-hour collection.
Specimens collected for other than a 24-hour collection are reported as mg/dL, for which reference values are not established.
The reference value is for a 24-hour collection.
Specimens collected for other than a 24-hour collection are reported as mg/dL, for which reference values are not established.
Performed By
CoxHealth
