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Thallium, Blood : 8830
Test CodeTHALMB or 8830
CPT Codes
83018
Instructions
Carefully clean skin prior to venipuncture. 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. EDTA (lavender-top) tube, Sodium heparin (green-top) and Sodium Heparin lead-free (tan-top) tubes will be run with disclaimer.
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. EDTA (lavender-top) tube, Sodium heparin (green-top) and Sodium Heparin lead-free (tan-top) tubes will be run with disclaimer.
Transport Container
Preferred Specimen
4 mL whole blood in EDTA trace metal-free (royal blue-top) tube
Minimum Volume
2 mL
Alternative Specimen: 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
4 mL whole blood in EDTA trace metal-free (royal blue-top) tube
Minimum Volume
2 mL
Alternative Specimen: 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
Transport Temperature
Refrigerated.
Specimen Stability
Room temperature: 48 hours; Refrigerated: 5 days; Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Serum Separator Tube (SST®)
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
Setup Schedule
Tuesday, Thursday, Saturday
Report Available
2-5 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
