With a focus on patient-centric principles, CDI’s non-invasive and cost-effective portfolio of diagnostic products and solutions result in expedited treatment, better patient outcomes, and robust cost savings for the healthcare delivery system. CDI operates out of our CLIA-certified laboratory and is a FDA registered, ISO 13485 certified medical device manufacturer.

Benefits to Healthcare Providers and their Patients

1 Business Day Turnaround Time for Results
Direct-To-Patient or Direct-To-Practice Shipping
Third-Party Billing & Insurance Coverage on Most Tests
Dedicated Customer Service and Patient Outreach
Result Interpretation Assistance
No Overhead Costs to Practices
No Restocking Fees or Hidden Costs

Non-Invasive At-Home Hydrogen and Methane Breath Testing


Small Intestinal Bacterial Overgrowth (SIBO) and Intestinal Methanogen Overgrowth (IMO) are common causes of functional bloating, diarrhea, constipation and suspected malabsorption.


Fructose intolerance is a condition in which absorption of fructose is impaired by deficient fructose carriers in the small intestine’s enterocytes.

Functional GI Diagnostic Solutions


Lactose intolerance is the inability to digest the sugar lactose causing gastrointestinal symptoms such as flatulence, bloating, cramps, and diarrhea.


Sucrose intolerance is the condition in which sucrase, an enzyme needed for proper metabolization of sucrose, is not produced in the small intestine.

Get your free eBook on breath testing and COVID-19's impact on functional GI diagnostic plans.

Proprietary At-Home Capillary Collection Kit for IBS-D/M


IBSchek, the first clinically validated blood test for IBS-D & IBS-M, tests for the presence of antibodies to a bacterial toxin called CdtB, as well as vinculin, a protein commonly found in the lining of the gut.

Cloud-Based GI Healthcare Application



Designed by industry-leading GI physicians, MyGiHealth enables patients to monitor, manage, and understand their symptoms while enhancing the patient-physician relationship.

Resources & Support

Visit our Resources pages for FAQs and additional materials for providers and patients.

Contact our dedicated customer service department at 888-258-5966 or customerservice@commdx.com for support.