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HelpTest Code ALU Aluminum, 24 Hour, Urine
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Aluminum, 24 Hr, USpecimen Type
UrineOrdering Guidance
The recommended test for routine aluminum screening is AL / Aluminum, Serum.
Necessary Information
24-Hour volume (in milliliters) is required.
Specimen Required
Patient Preparation: High concentrations of gadolinium and iodine are known to interfere with most metal tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
Supplies: Urine Tubes, 10 mL (T068)
Collection Container/Tube: Clean, plastic urine container with no metal cap or glued insert
Submission Container/Tube: Plastic urine tube or clean, plastic aliquot container with no metal cap or glued insert
Specimen Volume: 10 mL
Collection Instructions:
1. Collect urine for 24 hours.
2. Refrigerate specimen within 4 hours of completion of 24-hour collection.
3. See Metals Analysis Specimen Collection and Transport for complete instructions.
Additional Information: See Urine Preservatives-Collection and Transportation for 24-Hour Urine Specimens for multiple collections.
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 28 days | |
| Ambient | 28 days | ||
| Frozen | 28 days |
Specimen Minimum Volume
0.3 mL
Special Instructions
Day(s) Performed
Tuesday
Specimen Retention Time
14 daysReport Available
2 to 8 daysReference Values
0-17 years: Not established
≥18 years: <13 mcg/24 hours
Useful For
Monitoring aluminum exposure
Preferred matrix for assessment of exposure in patients with normal kidney function since rapidly filtered by kidneys
Monitoring metallic prosthetic implant wear
This test is not an acceptable substitute for serum aluminum measurements and is not recommended for routine aluminum screening.
CPT Code Information
82108
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| ALU | Aluminum, 24 Hr, U | 26707-0 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 8828 | Aluminum, 24 Hr, U | 26707-0 |
| TM15 | Collection Duration | 13362-9 |
| VL13 | Urine Volume | 3167-4 |