Methodology
Immunoassay (IA)
Synonyms
C.DIFF, PCR
Specimen Type
Stool
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB06580
Lab Test Days
Daily
Standard TAT
1-2 Days
Collection Information
Specimen Required
1-5 g or mL Unformed Stool
Container Type
Sterile Container
Collection Instructions
Collect fresh stool in sterile, leak-proof container without media, preservative, or metal ion. For patients requiring the use of diapers, first line the diaper with clean plastic to prevent absorption. Then transfer 5 grams or 5 mL of the stool specimen from the plastic lined diaper to the sterile container. Do not submit the diaper itself. Cap securely. Do not use any preservative, media or additive.
Processing Information - Lab Use Only
Transport Temperature
Frozen-Only
Specimen Stability
Room Temp=Unacceptable; Refrigerated=72 Hours; Frozen=30 Days
Rejection Criteria
Formed stool; Stool submitted in transport media or swab; Rectal swab; Unfrozen stool >72 hours old; Received room temp
Test Volume Required
5 g or mL Unformed Stool
Minimum Test Volume
1 g or mL Unformed Stool
Included Tests
If the GDH Antigen is detected and the Toxin A and B are not detected or the GDH Antigen is not detected and the Toxin A and B are detected, 16377 Clostridium difficile Toxin B, Qualitative Real Time PCR will be performed.
CPT Codes
87449, 87324; 87493
Revised
09-27-22