Thallium, Blood

Test Code

8830

Alias/See Also

LAB1026

CPT Codes
83018

Preferred Specimen

4 mL whole blood collected in an EDTA trace metal-free (royal blue-top) tube

Minimum Volume

2 mL

Other Acceptable Specimens

Whole blood collected in: Sodium heparin trace metal-free (royal blue-top) tube, EDTA (lavender-top) tube, sodium heparin (green-top) tube, or sodium heparin lead-free (tan top) tube

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. EDTA (lavender-top) tube, sodium heparin (green-top) and sodium heparin lead-free (tan-top) tubes will be run with disclaimer.

Instructions

Carefully clean skin prior to venipuncture. Avoid worksite collection.

Transport Container

EDTA trace metal-free (royal blue-top) tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 48 hours
Refrigerated: 5 days
Frozen: Unacceptable

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 code is for non-New York patient testing. For New York patient testing, see test code 13649.

Setup Schedule

Tues, thurs, sat

Report Available

3-7 days

Reference Range

<5.1 mcg/L

Clinical Significance

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

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.