Posted Date
Effective Date
Update Type Replacement Test
CPT Code 87449
Order Code CDIFF



Clostridium difficile by EIA

Order Code:                             CDIFF

CPT Code:                               87449




Clostridium difficile by PCR

Order Code:                             PCRCD

CPT Code:                               87449


Effective July 13, 2021, MLabs will be discontinuing Clostridium difficile by EIA (CDIFF) test and replacing it with Clostridium difficile by PCR (PCRCD) testing.


Collection Instructions: Please collect 5 mL liquid stool in a stool collection container. Ship the specimen Frozen (preferred) or refrigerated.

Methodology: PCR


Analytic Time: 1 Day, reflexes to EIA 8 Hrs


Reference Range:


C.difficile toxin Positive / Negative [Positives reflex to EIA testing]

C.difficile antigen Positive / Negative [Positives reflex to EIA testing]