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- Ordering Info
To view specimen requirements and codes please select your laboratory:
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Heavy Metals Panel, 24-Hour Urine
Arsenic, Lead, Mercury
Avoid seafood consumption for 48 hours prior to collection
7 mL aliquot of a well-mixed 24-hour urine collected in an acid-washed or metal-free container
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 re-submission with a trace element tube/container is recommended.
Avoid worksite collection. Collect urine in an acid-washed or metal-free plastic container.
See Urine in the Blood, Urine and Stool section of Specimen Collection and Handling.
Acid-washed plastic urine container
Refrigerated (cold packs)
Room temperature: 48 hours
Refrigerated: 5 days
Frozen: 14 days
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
|Quest Diagnostics Nichols Institute|
|27027 Tourney Road|
|Valencia, CA 91355-5386|
Set up: Tues, Thurs, Sat
Ingestion of seafood within three days of specimen collection can affect results.
|Arsenic, 24-Hour Urine||≤80 mcg/L|
|Lead, 24-Hour Urine||<80 mcg/L|
|Mercury, 24-Hour Urine||≤20 mcg/L|
Excessive exposure to Heavy Metals can cause acute and chronic toxicity. Heavy Metals Panel is intended to evaluate and monitor exposure to heavy metals and evaluate the process of detoxification.
The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.NOTE: The codes listed in the table below are not orderable Test Codes.
|Result Name||LOINC Code||Component Name|
|80016851||ARSENIC, 24 HOUR URINE||21074-0||Arsenic|
|80016858||MERCURY, 24 HOUR URINE||21383-5||Mercury|
|80031800||LEAD, 24 HOUR URINE||20625-0||Lead|
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
The CPT codes provided 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 payer being billed.
LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.