Thallium, 24-Hour Urine

Test Code

CPT Codes
83018<br><strong>This test is for non-New York patient testing. For New York patient testing, use test code 13764.</strong>

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 a acid-washed or metal-free plastic container

Minimum Volume
3 mL

Avoid worksite collection.

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 Temperature
Refrigerated (cold packs)

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

Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Med Fusion. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Set up: Tues, Thurs, Sat; Report available: 3-6 days

Reference Range
Reference range <3 mcg/L
Toxic level >200 mcg/L

Clinical Significance
Exposure to thallium is primarily through foods and may occur in highly selected industrial environments. Urinary thallium may be used in assessing toxicity.

Performing Laboratory
2501 South State Highway 121
Lewisville, TX 75067

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.