ALUMINUM, URINE

Test Documentation
Specimen Required
Patient Preparation: Patients should be encouraged to discontinue vitamins, supplements, and non-essential over-the-counter medications before urine collection. High concentrations of iodine may interfere with elemental testing. Abstinence from iodine-containing medications or contrast agents is recommended at least 1 month before sample collection.
Collect 24 hour urine. Refrigerate urine during collection. Mix well and send 10.0 mL urine (5.0 mL minimum) refrigerated in a screw-capped plastic urine cup. Record total volume on test requistion and specimen label.

Alternate Specimen
Random urine

Rejection Criteria
Urine collected within 48 hours after administration of gadolinium containing contrast media, acid preserved urine.

Methodology
Quantitative Inductively Coupled Plasma/Mass Spectrometry

Stability
Room Temperature: 7 days; Refrigerated: 14 days; Frozen: 1 year

Reference Range
0–7 µg/L Aluminum, urine
0-10 µg/day Aluminum, urine (24 hour)
Creatinine:
Age   Male   Female  
3-8 yrs.   140-700 mg/d   140-700 mg/d  
9-12 yrs.   300-1300 mg/d   300-1300 mg/d  
13-17 yrs   500-2300 mg/d   400-1600 mg/d  
18-50 yrs   1000-2500 mg/d   700-1600 mg/d  
51-80 yrs   800-2100 mg/d   500-1400 mg/d  
>80 yrs   600-2000 mg/d   400-1300 mg/d  

Performed
Tuesday, Thursday, Saturday

Turnaround Time3-6 days
Test CodeUALUM
CPT-4 Code (s)
82108
LOINC Codes
Creatinine Urine, per volume   2161-8  
Creatinine Urine, per 24h   2162-6  
Aluminum Urine - ug/gCRT   29937-0  
Aluminum Urine ug/day   26707-0  
Total volume   19153-6  
Hours collected   30211-7  
Aluminum Urine ug/L   6929-4  

Warde
Medical
Laboratory