Thallium 24 Hour Urine Test
Short Name: Thallium 24-Hour Urine
Also known as: Thallium 24 Hour Urine, Urine Thallium Test, Thallium Urine 24 hr
Thallium 24 Hour Urine Test test available at DNA Labs India for ₹4,500. Uses Inductively Coupled Plasma Mass Spectrometry (ICP-MS) on 24-hour urine (10 mL aliquot transferred to provided vial) samples. Results in The report is typically available the next day if the sample is received by 6 pm.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Ramarao Paidisetty
Consultant Biochemist · Reg: 21504
Last reviewed: September 7, 2026
Overview
The purpose of this test is to detect and measure thallium in a 24-hour urine sample. It is primarily used when thallium poisoning is suspected due to occupational or environmental exposure, or when clinical features such as hair loss, peripheral neuropathy, abdominal complaints, or renal dysfunction suggest heavy metal toxicity.
- Test Code
- 3691
- Price
- ₹4,500
- Sample Type
- 24-hour urine (10 mL aliquot transferred to provided vial)
- Result Time
- The report is typically available the next day if the sample is received by 6 pm.
- Fasting Required
- No
- Method
- Inductively Coupled Plasma Mass Spectrometry (ICP-MS)
Sample Collection
If gadolinium or iodine-containing contrast media has been administered, do not collect the specimen for 96 hours. No fasting is required. Obtain the acid-washed (metal-free) collection kit and confirm the collection procedure with the laboratory.
Method: 24-hour urine collection with total volume measured and recorded; aliquot transferred to provided vial
Laboratory Analysis
Collect every urine void for 24 hours in the acid-washed container. Keep the container refrigerated or on ice during the collection period. Do not touch the inside of the container. Wear powderless gloves when handling.
Report Delivery
After completing the 24-hour collection, mix the urine thoroughly, transfer 10 mL (5 mL minimum) to the supplied vial, cap the vial securely, record the total 24-hour urine volume on the vial and test request form, and send the sample to the lab refrigerated or frozen.
Timeline: The report is typically available the next day if the sample is received by 6 pm.
Patient Instructions
About This Test
Who Should Get This Test
The purpose of this test is to detect and measure thallium in a 24-hour urine sample. It is primarily used when thallium poisoning is suspected due to occupational or environmental exposure, or when clinical features such as hair loss, peripheral neuropathy, abdominal complaints, or renal dysfunction suggest heavy metal toxicity.
How to Prepare
- Obtain the acid-washed (metal-free) collection kit from the laboratory.
- Begin the 24-hour collection at a convenient time, discarding the first morning urine.
- Store the urine container refrigerated or cool during the collection period.
- Mix the combined urine thoroughly at the end of collection.
- Transfer 10 mL aliquot to the provided vial.
- Measure and record the total 24-hour urine volume on the vial and test request form.
- Ship the sample refrigerated or frozen.
Doctor's Notes
Reviewed by Dr Ramarao Paidisetty — MBBS, MD (Biochemistry) · Reg. No. 21504
"Thallium poisoning can affect multiple organ systems, particularly the nervous system and kidneys. In severe cases, renal failure may develop. A 24-hour urine thallium measurement is useful for confirming exposure, but the result must be interpreted along with clinical presentation, renal function tests, and occupational or environmental exposure history."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Specimen collected in a non-acid-washed or non-metal-free container.
- Specimen collected within 96 hours after gadolinium or iodine-containing contrast media administration.
- Incorrect labeling or missing total 24-hour urine volume.
Understanding Your Results
Elevated urine thallium
Suggests excessive thallium exposure. Clinical correlation, repeat testing, and evaluation for end-organ toxicity are recommended.
Negative or below detection limit
No significant thallium exposure detected in the submitted 24-hour urine sample.
If you have symptoms of thallium poisoning such as nausea, vomiting, abdominal pain, hair loss, numbness or tingling in the extremities, confusion, seizures, or breathing difficulty, seek urgent medical attention. Also consult your doctor if you have a known or suspected occupational or environmental exposure to thallium.
Limitations
- ⚠A single 24-hour urine value cannot determine the route or duration of thallium exposure.
- ⚠Results should be interpreted along with clinical signs, exposure history, and other laboratory findings.
- ⚠Urine thallium levels may vary with timing of sample collection relative to exposure.
Risks & Considerations
- ●No significant risks; this test involves normal urine collection only.
Interfering Factors
- ●Recent administration of gadolinium- or iodine-containing contrast media; do not collect specimen for 96 hours.
- ●Use of non-acid-washed or non-metal-free containers may contaminate the sample.
- ●Improper handling during collection can affect results; powderless gloves must be used.
Compare With Similar Tests
| Test | Thallium 24 Hour Urine Test | Thallium 24 Hour Urine Test | Arsenic 24 Hour Urine Test | Lead 24 Hour Urine Test |
|---|---|---|---|---|
| Comparison | Thallium 24 Hour Urine Test |
Frequently Asked Questions
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