Bismuth, Blood

Test Code

5374

CPT Codes
83018<br><strong>This test code is for non-New York patient testing. For New York patient testing, see test code 13725.</strong>

Preferred Specimen

4 mL whole blood collected in an EDTA trace metal-free (royal blue-top) tube

Patient Preparation
Avoid taking bismuth preparations such as Pepto-Bismol for at least 1 week prior to collection.

Minimum Volume

2 mL

Other Acceptable Specimens

Whole blood collected in: sodium heparin trace metal-free (royal blue-top) tube, or sodium heparin lead-free (tan-top) tube

Instructions

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.

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 48 hours
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

Set up: Tues, Thurs, Sat; Report available: 2-4 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
MED FUSION
2501 South State Highway 121
Lewisville, TX 75067

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.