Welcome to the CDI Provider Resource Center.
Contact our dedicated provider services team for additional support.

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Patient Instructional Videos & Guides

Patients should follow the instructions for use in their kit for additional test instructions and updated return shipping information. Patients can also contact CDI’s dedicated customer service team at 888-258-5966 or customerservice@commdx.com with questions or concerns.

SIBO & IMO
10 Tube Lactulose
(Adult GI)

SIBO & IMO
10 Tube Glucose
(Adult GI)

SIBO & IMO
6 Tube Lactulose
(Pediatric GI)

Fructose
Malabsorption

Lactose
Malabsorption

Sucrose
Malabsorption

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FAQs and Billing & Insurance

How do I order breath testing kits for my patients?
Where will my patients take the test?
How are patients’ kits returned to CDI?
What is the turnaround time for laboratory results?
How is my patient’s insurance billing handled?
Do patients need a pre-authorization before taking the test?
What if the patient doesn’t have medical insurance?
What is the difference between glucose and lactulose substrates?
What are the ingredients to the sugar substrates?
Can CDI help my understand my patient's breath test results?
My patient tested positive for COVID-19. When can they take and return a CDI breath test?

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