Arsenic, Urine

Message
ACID WASH CONTAINER IN PROCESSING


Test Code
270


Alias/See Also
LAB363


CPT Codes
82175, 82570

Includes
Creatinine


Preferred Specimen
7 mL urine collected in an acid-washed or metal-free container


Patient Preparation
Avoid seafood consumption 48 hours prior to collection

Minimum Volume
3 mL


Instructions
Collect urine in an acid-washed or metal-free plastic container.

Note: Tests performed on a specimen submitted in a non-trace element tube or non-acid washed/non-metal free container may not accurately reflect the patient's level. If a non-trace element tube/container is received, it will be accepted for testing. However, elevated results shall be reported with a message that a re-submission with a trace element tube/container is recommended.


Transport Container
Acid-washed plastic urine container


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
Room temperature: 48 hours
Refrigerated: 5 days
Frozen: 14 days


Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

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.

This test is not available for New York patient testing at med fusion-Lewisville, TX.
Orders for New York patients will be redirected to Quest Diagnostics Nichols Institute-Chantilly, VA for testing.

Limitations
Seafood may increase urinary arsenic. This test may not rule out arsenic if spot levels are normal.


Reference Range
Arsenic, Random Urine
Non-exposed Adult≤35 mcg/g creat
Biological Exposure Index (end of shift/work week)≤50 mcg/g creat

Creatinine, Random Urine
≤6 Months2-28 mg/dL
7-11 Months2-31 mg/dL
1-2 Years2-110 mg/dL
3-8 Years2-130 mg/dL
9-12 Years2-160 mg/dL
>12 Years Male20-320 mg/dL
>12 Years Female20-275 mg/dL


Clinical Significance
Arsenic is widely distributed in the earth's crust. Arsenic is used in some pesticides and industrial applications. Arsenic toxicity can cause skin changes, respiratory illness, nausea and vomiting, and other effects.


Performing Laboratory
med fusion
2501 South State Hwy 121, Suite 1100
Lewisville, TX 75067-8188




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.