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C. difficile Toxin B Gene, PCR
MessageLab orderable only
This test is offered as an add on to the CDIFFGDH test when indicated. This test can be ordered as a standalone test for the clinic/ outpatient sites. For the acute hospital setting this test should only be run after a CDIFFGDH is performed. If CDIFFGDH as not been ordered yet, please order this test first.
This test is offered as an add on to the CDIFFGDH test when indicated. This test can be ordered as a standalone test for the clinic/ outpatient sites. For the acute hospital setting this test should only be run after a CDIFFGDH is performed. If CDIFFGDH as not been ordered yet, please order this test first.
Test Code
CDIFFTOX PCR
Alias/See Also
SQL test code 905221
C diff PCR
C difficile PCR
C diff PCR
C difficile PCR
CPT Codes
87493
Includes
Assay Detects: Toxin B gene (TcdB) of Clostridioides (Clostridium) difficile
Preferred Specimen
5 mL unpreserved liquid or soft stool in a sterile container.
Stool sample must be of a consistency to conform to the shape of the container, all others will be rejected.
Stool sample must be of a consistency to conform to the shape of the container, all others will be rejected.
Minimum Volume
2 mL
Instructions
See link below for specimen details, methodology, setup schedule and reference ranges.
Transport Temperature
- Frozen is the preferred transport temperature for Western Division sites.
- Specimen may be compromised or cancelled due to specimen stability constraints if sent at a transport temperature other than frozen.
- Refrigerated or frozen is the preferred transport temperature for AZ sites.
Specimen Stability
Room temperature: 48 hours (specimens stored above 25° C are not acceptable)
Refrigerated (2-8° C): 5 days
Frozen (≤ -20° C): 31 days
Refrigerated (2-8° C): 5 days
Frozen (≤ -20° C): 31 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
- Formed stool
- Patient age < 1 month
- Stool in preservative or mixed with urine
- Foreign objects in container
Methodology
Real Time - Polymerase Chain Reaction (PCR)
Setup Schedule
Days: Monday through Sunday
Report Available
Available in 1 day
Reference Range
Negative
Additional Information
C. difficile Toxin B Gene, PCR
