Test directory: C difficile GDH/Toxin reflex NAAT

Ordering Code7123
Test NameC difficile GDH/Toxin reflex NAAT
AliasClostridium difficile EIA with
reflex to Nucleic Acid
Amplification
Clostridium difficile GDH with
C. difficile toxin with reflex to
Nucleic Acid Amplification
C. difficile Antigen with reflex to
Preferred SpecimenStool, unpreserved
Preferred ContainerClean Container
Optimum Volume5 gm
Collection InstructionsIt is recommended that only one non-formed stool specimen is sent for testing and limited to one sample per patient
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
If specimen is transported >1 day after collection, specimen
must be frozen
Specimen StabilityAmbient: 1 Hour
Refrigerated: 2 Days
Frozen: 5 Days
Rejection Criteria24 hour collection, Barium stool, Formed stool,
Meconium stool, Rectal swab, Specimen older than stability limits, Stool in preservative, Stool received in tissue or diaper, Stool in transport solution, Stool contaminated with urine
Avail. StatNO
Analytic Time2 Days
MethodologyEIA testing for C. difficile antigen and C. difficile toxin

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
C. difficile GDH AntigenALLNEGATIVENEGATIVE
C. difficile Toxin A/BALLNEGATIVENEGATIVE