Thallium, Urine

Test Code

8835

CPT Codes
83018, 82570

Includes

Creatinine

Preferred Specimen

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

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

Avoid worksite collection. Collect urine in an acid-washed or metal-free plastic container.

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 code is for non-New York patient testing. For New York patient testing, see test code 13765.

Reference Range

Thallium, Random Urine

Non-exposed Adult

≤0.4 mcg/g creat

Creatinine, Random Urine

≤6 Months	2-28 mg/dL
7-11 Months	2-31 mg/dL
1-2 Years	2-110 mg/dL
3-8 Years	2-130 mg/dL
9-12 Years	2-160 mg/dL
>12 Years Male	20-320 mg/dL
>12 Years Female	20-275 mg/dL

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

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.