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The Simplest
Path to an IBS Diagnosis

Diagnostic Blood Test for IBS-D and IBS-M


Request Testing Kits

Testing kits contain phlebotomy materials and pre-paid return shipping.See kit contents here.You can download a blank requisition form here.


Collect Blood Sample

Collect a blood sample at your office, or direct your patient to an independent phlebotomy lab.


Ship Sample

Using our pre-paid shipping materials, ship sample to our CLIA-certified lab for testing.

Results are available seven days after receipt of sample.
For assistance, contact

Request ibs-smart Testing Kits

Kits can be shipped to your office or directly to your patient. 


ibs-smart Blood Test Results

Dr. Mark Pimentel​

Professor of Medicine at Geffen School of Medicine and Cedars-Sinai Medical Center in Los Angeles, California.

Positive for IBS: Next Steps

  • Food poisoning is confirmed as the root cause.

  • A diagnosis available in a few days allows you to progress to treatment quickly.

  • Counseling the patient for food poisoning prevention is important because antibodies can elevate further.

Non-Indicative of Post-Infectious IBS

  • The patient may have an illness other than IBS.

  • The patient could still have IBS, but it may not be post-infectious in nature. 

  • This is a patient best suited for additional testing to help determine another cause for symptoms.

Looking for more information about interpreting ibs-smart results? 

Still Have Questions?

What is the cost and coverage?

​​The uncovered cost of ibs-smart™ is $220 per test. A claim is filed on the patient’s behalf. Patients with private insurance plans are responsible for the balance not covered by insurance. There is no cost for the test for Medicare patients. To estimate patient responsibility, patients should contact their insurance company and let them know we bill CPT code 83520 twice (once for each antibody).

Is this test covered by Medicare/Medicaid?

Can I dropship a kit to my patients?

Yes, you can. You just need to fill out the order form above with the patient’s address.

I don't offer blood draw services. Where can my patient go?

Patients can visit to find an independent blood draw lab near to them.

How soon will I get test results?

Results are typically ready 7 days after receipt of the blood sample.

Where is the test conducted?

The test is run at our CLIA-certified partner lab, PacificDx, in Irvine, CA.


The test is covered in part by Medicare/Medicaid, and we do not balance bill Medicare/Medicaid patients.

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