.

Vanderbilt Pathology Laboratory Services

Test Directory



MAGNESIUM 24 HR URINE (MAU)

Department: Chemistry
Test Synonym(s): MAU, Mg
CPT Codes: 83735
Methodology: Colorimetry
Reference Range: 0-150 yrs: 70 - 120 mg /day
Tube Type: 24 hour urine container - no preservative required
Specimen: 24 hour urine - total 24 hour collection
Alternate Specimen: none
Volume: 50 mL urine (acidifed - see below)
Minimum Volume: 15 mL urine
Stability: Entire collection must be acidified, mixed and an aliquot sent
Days Performed: Daily
Times Performed: Continuous
Special Instructions: Refrigerate during collection - Label with beginning and ending collection times and dates. Indicate total volume if an aliquot is sent. Mix specimen well before aliquoting.

Click here to print the 24 Hour Urine Collection Guide.



Search Tests

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Enter Keyword:

Search Help


Search Options for the Test Directory:

1. Enter the test name in the Keyword search field.
Hint: You can also enter any part of the test name to expand the search.
(Example: you can type "west" or "sed" or "rate" to find Westergren Sedimentation Rate)

2. Enter the Vanderbilt Test Code, if known.

3. Choose one of the letter boxes to display a list of all test names and keywords starting with that letter.

If you are unable to find a test in our directory, please contact VPLS at
1-800-551-5227 or e-mail emily.k.thompson@vanderbilt.edu.