Heavy Metals Panel, 24-Hour Urine (UMETL)

Message

Patient should refrain from eating seafood, or taking mineral and herbal supplements for at least three days prior to specimen collection. Avoid worksite collection.

Test Code

LAB2091

Quest Code

36438

Alias/See Also

UMETL

CPT Codes
82175,83655,83825

Includes

Arsenic, Lead, Mercury

CPT code 81050 may be added at an additional charge for volume measurement

Preferred Specimen

7 mL aliquot of a well-mixed 24-hour urine collected in an acid-washed or metal-free container

See Urine in the Blood, Urine and Stool section of Specimen Collection and Handling.

If multiple 24-Hour tests will be ordered, see 24-Hour Urine Collection: Requirements for Multiple Tests in Specimen Collection and Handling.

Patient Preparation
Avoid seafood consumption for 48 hours prior to collection

Minimum Volume

3 mL

Other Acceptable Specimens

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.

Instructions

To avoid contamination, do not measure 24-hour volume.

Transport Container

Acid-washed plastic urine container

Transport Temperature

Refrigerated

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.

Setup Schedule

Monday, wednesday and friday

Limitations

Ingestion of seafood within three days of specimen collection can affect results.

Reference Range

Arsenic, 24-Hour Urine ≤80 mcg/L
Lead, 24-Hour Urine <80 mcg/L
Mercury, 24-Hour Urine ≤20 mcg/L

Clinical Significance

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.

Performing Laboratory

Quest Diagnostics Nichols Institute-Chantilly VA

14225 Newbrook Drive

Chantilly, VA 20151-2228

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.