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Bismuth, Blood
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
BISMUT
CPT Codes
83018
Preferred Specimen
4 mL whole blood collected in an EDTA (royal blue-top) tube
Patient Preparation
Avoid taking bismuth preparations such as Pepto-Bismol for least 1 week prior to collection.
Minimum Volume
2 mL
Other Acceptable Specimens
Whole blood collected in: sodium heparin (royal blue-top) tube
Instructions
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: 7 days
Frozen: Unacceptable
Refrigerated: 7 days
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Clotted
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 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
Tuesday, Thursday, Saturday Morning
Report available: 4 Days
Report available: 4 Days
Reference Range
<0.5 mcg/L | Nonexposed |
4-30 mcg/L | Therapeutic |
>50 mcg/L | Toxic |
Clinical Significance
Excessive use of bismuth containing medications may cause renal damage and other adverse effects.
Performing Laboratory
Quest Diagnostics Nichols Institute Valencia
27027 Tourney Road
Valencia, CA 91355-5386
Last Updated: November 24, 2021