Zinc, Urine
| Abbrev Code: | UZN | ||
| Order Code: | LAB3869 | Order Name: | Zinc Urine |
| Methodology: | Inductively coupled plasma/mass spectrometry | ||
| CPT Codes: | 84630 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-5 days. | ||
| Compliance: | For tests developed and validated by ARUP (previously referred to as Compliance Statement B, C or D). This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the U.S. Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes. |
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Collection Instructions
| Specimen: | Urine |
| Optimal Volume: | Submit entire collection; analysis requires 1 mL |
| Container: | 3 L plastic jug Alternate Containers: Plastic leakproof container, sterile |
| Collection Instructions: | 24 hour or random urine collection. Specimen must be collected in a plastic container and should be refrigerated during collection. ARUP studies indicate that refrigeration of urine alone, during and after collection, preserves specimens adequately if tested within 14 days of collection. |
| Patient Preparation: | Diet, medication and nutritional supplements may introduce interfering substance. 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. |
| Causes for Rejection: | Urine collected within 72 hours after administration of gadolinium (Gd) contrast media (may occur with MRI studies). Acid preserved urine. Samples not aliquoted into ARUP metal-free plastic vials. |
Processing and Shipping
| Specimen Processing: | Mix collection well. Aliquot 8 mL, 1 mL minimum into 2 ARUP blue top metal-free, plastic vials. Regular aliquot tubes will be rejected. Store in refrigerator. Record total volume and collection time interval on transport vial. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | 1 week at room temperature; 2 weeks refrigerated; 1 year frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 20462 |
Interpretive
| Reference Range: |
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| Use: | Decreased in severe zinc deficiency. |
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