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C. Difficile Screening Test

eD-H Order Code

LAB3617

Specimen Collection Information

Specimen Minimum Test Volume Container Special Handling
Stool 0.1 ML Keep refrigerated

Specimen Transport Temperature

Refrigerated

Specimen Stability

Refrigerated 72hours

Frozen 7 days

Additional Specimen Instructions

Minimum volume 3mL.
Only order if the patient has had 3 liquid stools in 24 hours and at least one sign/symptom of a C. diff infection, such as: fever, elevated WBC, abdominal pain, nausea, vomiting, imaging evidence of infection, etc.

Only one negative screen will be tested per 7 day time period, or one positive screen per 14 day time period.

The C. diff 3 step algorithm is applied to all C. diff screen orders. Refer to the C. diff Laboratory Diagnosis Algorithm.

Monday-Friday specimens received by 1 pm will be run the same day. Saturday-Sunday specimens received by 3 pm will be run the same day.

 

Additional Information (Policy Tech Procedure numbers):

C. difficile Testing Policy #12384

C. difficile Testing Algorithm #12444

 

 

 

Reference Ranges / Critical Values

Assay Gender Age Range Normal Range Critical Values Units
C Diff Antigen All 0 Minutes – 150 Years Negative    
C Diff Interp All 0 Minutes – 150 Years Negative    
C Diff PCR All 0 Minutes – 150 Years Negative    
C Diff Toxin All 0 Minutes – 150 Years Negative    

Day(s) Performed

Monday through Sunday; continuously

Performing Lab Section

Serology

CPT(s)

87493