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C. Difficile Toxin 

SIM

40740 

CPT

87449,87324, ( 87493) 

Synonyms

C. Difficile GDH Antigen  / Toxin Detection w/Reflex to PCR 

Specimen Type

Fresh Stool  ( liquid, loose, watery) 

Container

Sterile Container

Collection Instructions

None

Volume

2 gram

Additional Information

Simultaneous detection of C difficile GDH Antigen and Toxin A/B.
Infants may be asymptomatic carriers.
Repeat testing within 7 days will not be performed.

Patient Preparation

None

Specimen Processing Instructions

None

Transport Requirements

Room Temp

Specimen tability

>24hrs Refrigerate 

Rejection Criteria

Formed Stools Rejected, Swabs, Diapers, Improperly labeled/Identified specimens

Reference Range

Negative

Critical Value

C Diff Positive(require Infection Control notification for inpatients) 

Test Includes

Detection of C Diff GDH Antigen and Toxin A/B 

Methodology

Membrane Immunoassay with Reflex to PCR 

Testing Frequency

Daily 

LCA

 

Reviewed By

Frankie Rice 

Reviewed Date

1/23/2018

Supplemental

GDH Antigen detection and Toxin A/B detection discordant results will be reflexed to PCR. 

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