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Test Code EIACD Clostridioides difficile Toxin, EIA, Feces


Ordering Guidance


This test is validated for unformed (liquid or soft) fecal specimens collected from patients suspected of having Clostridioides difficile infection.



Specimen Required


Submit only 1 of the following specimens:

 

Preferred:

Specimen Type: Preserved feces

Supplies: Culture and Sensitivity Stool Transport Vial (T058)

Container/Tube: Commercially available transport system specific for recovery of enteric pathogens from fecal specimens (15 mL of nonnutritive transport medium containing phenol red as a pH indicator, either Cary-Blair or Para-Pak C and S)

Specimen Volume: Representative portion of feces; 5 mL

Collection Instructions:

1. Collect fresh fecal specimen and submit in container with transport medium.

2. Within 2 hours of collection place feces in preservative.

Specimen Stability Information: Ambient (preferred) <7 days/Refrigerated <7 days

 

Acceptable:

Specimen Type: Unpreserved feces

Supplies:

-Stool container, Small (Random), 4 oz (T288)

-Stool Collection Kit, Random (T635)

Container/Tube: Fecal container

Specimen Volume: Representative portion of feces

Collection Instructions: Collect fresh fecal specimen and submit representative sample in fecal container.

Specimen Stability Information: Refrigerated (preferred) <7 days/Frozen <7 days


Useful For

Diagnosing the presence of toxigenic Clostridioides difficile

Testing Algorithm

For information see Laboratory Testing for Infectious Causes of Diarrhea.

Method Name

Enzyme Immunoassay (EIA)

Reporting Name

C. difficile Toxin Antigen, Feces

Specimen Type

Fecal

Specimen Minimum Volume

See Specimen Required

Specimen Stability Information

Specimen Type Temperature Time
Fecal Varies 7 days

Reference Values

Negative

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 day

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

87324

LOINC Code Information

Test ID Test Order Name Order LOINC Value
EIACD C. difficile Toxin Antigen, Feces 79177-2

 

Result ID Test Result Name Result LOINC Value
EIACD C. difficile Toxin Antigen, Feces 79177-2