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Aluminum, Urine
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Urine aluminum may be useful for monitoring aluminum exposure and is preferred in the assessment of chronic exposure. For aluminum toxicity due to dialysis or for routine screening, Aluminum, Serum (0099266) is preferred.
Quantitative Inductively Coupled Plasma-Mass Spectrometry
Tue, Thu, Sat
1-5 days
Diet, medication, and nutritional supplements may introduce interfering substances. Patients should be encouraged to discontinue nutritional supplements, vitamins, minerals, and non-essential over-the-counter medications (upon the advice of their physician). High concentrations of iodine may interfere with elemental testing. Abstinence from iodine-containing medications or contrast agents for at least 1 month prior to collecting specimens for elemental testing is recommended.
24-hour or random urine collection. Specimen must be collected in a plastic container. ARUP studies indicate that refrigeration of urine alone, during and after collection, preserves specimens adequately, if tested within 14 days of collection.
Transfer an 8 mL aliquot from a well-mixed collection to ARUP Trace Element-Free Transport Tubes (ARUP supply #43116). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. (Min: 1 mL)
Refrigerated. Also acceptable: Room temperature or frozen.
Urine collected within 48 hours after administration of a gadolinium (Gd) containing contrast media (may occur with MRI studies). Acid preserved urine. Specimens contaminated with blood or fecal material. Specimens transported in non-trace element-free transport tube (with the exception of the original device).
Record total volume and collection time interval on transport tube and on test request form.
Ambient: 1 week; Refrigerated: 2 weeks; Frozen: 1 year
| Test Number |
Components |
Reference Interval |
|||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aluminum, Urine - ug/L | Effective May 15, 2017 0.0-7.0 µg/L |
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| Aluminum, Urine - ug/day | 0-10 µg/d | ||||||||||||||||||||||
| 0020473 | Creatinine, Urine - per 24h |
|
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| Aluminum, Urine - ug/gCRT | No reference interval (µg/g crt) |
Urine aluminum values do not correlate well with exposure. Elevated levels should be confirmed with a second specimen due to a high susceptibility of the specimen to collection-related environmental contamination.
Per 24h calculations are provided to aid interpretation for collections with a duration of 24 hours and an average daily urine volume. For specimens with notable deviations in collection time or volume, ratios of analytes to a corresponding urine creatinine concentration may assist in result interpretation.
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
82108
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0020207 | Creatinine, Urine - per volume | 2161-8 |
| 0020208 | Creatinine, Urine - per 24h | 2162-6 |
| 0025048 | Aluminum, Urine - ug/gCRT | 29937-0 |
| 0025074 | Aluminum, Urine - ug/day | 26707-0 |
| 0097110 | Total Volume | 19153-6 |
| 0097111 | Hours Collected | 30211-7 |
| 0099268 | Aluminum, Urine - ug/L | 6929-4 |
- Al
- AL, Urine
- ALUR
- urine aluminum
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