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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 # |
Aluminum, 24-Hour Urine without Creatinine
Test Code14451
CPT Codes
82108
Includes
CPT code 81050 may be added at an additional charge for volume measurement
Preferred Specimen
7 mL aliquot of a well-mixed 24-hour urine collected in an acid-washed or metal-free container
Minimum Volume
3 mL
Instructions
Collect without preservative and transport in a plastic, acid washed or metal free container. Record total volume on specimen container and on test requisition. To avoid contamination, do not measure 24-hour volume.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 5 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Atomic Spectroscopy (AS)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Mon-Sat; Report available: 1 day
Limitations
This measure is very sensitive to aluminum containing medications, e.g., aluminum-containing antacids, and may continue to test as elevated for a prolonged period of time after the medication is stopped.
Reference Range
<36 mcg/24 h
Clinical Significance
Individuals undergoing hemodialysis are at risk for aluminum toxicity. Prolonged accumulation may cause encephalkopathy, and vitamin d-resistant osteomalacia. Also workers exposed to high levels or to long-term low levels of aluminum dust are at increased risk of toxicity.