Test Code BIWB Bismuth, Blood
Specimen Required
Patient Preparation: High concentrations of gadolinium and iodine are known to potentially interfere with most inductively coupled plasma mass spectrometry-based metal tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
Supplies: Metal Free B-D Tube (EDTA), 6 mL (T183)
Collection Container/Tube: Royal blue top (EDTA) plastic trace element blood collection tube
Specimen Volume: 0.8 mL
Collection Instructions:
1. See Metals Analysis Specimen Collection and Transport for complete instructions.
2. Send whole blood specimen in original tube. Do not aliquot.
Useful For
Determining bismuth toxicity
Special Instructions
Method Name
Inductively Coupled Plasma Mass Spectrometry (ICP-MS)
Reporting Name
Bismuth, BSpecimen Type
Whole bloodSpecimen Minimum Volume
0.25 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Whole blood | Refrigerated (preferred) | 28 days | |
Ambient | 28 days | ||
Frozen | 28 days |
Reject Due To
Gross hemolysis | OK |
Gross lipemia | OK |
Gross icterus | OK |
Reference Values
<1 ng/mL (unexposed)
4-30 ng/mL (therapeutic)
Day(s) Performed
Wednesday
Report Available
1 to 8 daysPerforming Laboratory
Mayo Clinic Laboratories in RochesterTest Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
83018
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
BIWB | Bismuth, B | 8161-2 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
64274 | Bismuth, B | 8161-2 |