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Clostridium difficile Antigen and Toxin

Specimen Container

Clean. leak-proof container

Specimen Collection Type

Stool

Minimum Volume To Collect (Ml)

0.5 m

Specimen Preparation

Refrigerate and test ASAP

Stability

Ambient Stability: 72 hrs
Refrig Stability: 72 hrs
Frozen Stability: 7 days

Unacceptable Conditions

Fecal specimens preserved in 10% formalin, merthiolate formalin, sodium acetate formalin, polyvinyl alcohol or Total Fix,
Formed specimens are not acceptable except for donor stool screening prior to fecal microbiota therapy

Preferred Transportation Temperature

REFRIGERATED

Remarks

Testing should not be performed on infants less than 12 months of age. Only one test will be performed on a patient in 7 days
Samples which are antigen positive, toxin negative will be reflexed to CDPCR

Performed

Sun-Sat

Reported

Same day

Methodology

Enzyme Immunoassay

Lab Department

Molecular

Testing Location

IHC

Synonyms

C. diff
C diff
Cdiff
C-diff
Clostridium difficile
Clostridium
C. difficile screen
C. diff screen
C diff screen
Cdiff screen
C-diff screen
C diff antigen
C. diff antigen
Clostridium difficile glutamate dehydrogenase antigen
C. diff GDH antigen
C. diff GDH
C. difficile antigen
C. diff Toxins A and B
C diff toxins
C diff toxin
C. diff Antigen and Toxins
GDH antigen
GDH
Toxigenic C. diff
C. diff Toxin B
C. diff Toxin A
C diff toxin A
C diff toxin B
A/B GDH
diarrhea
CDAD (Clostridium difficile associated diarrhea)
CDI (Clostridium difficile infection)

Test OR Panel

Test

Misc Instructions

All stool samples should be refrigerated and tested ASAP
Ideally, stool should be tested within 24 hrs, but samples may be refrigerated for up to 72 hrs prior to testing
If samples cannot be tested within 72 hrs, they should be frozen upon receipt in the lab at -20° C
A single freeze/thaw cycle should not affect results
Formed specimens are not acceptable except for donor stool screening prior to fecal microbiota therapy

CPT Codes

87324, 87449

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