Self-Order Laboratory Testing More info about each of these tests can be found on the Lab Testing page. SIBO Breath Test (Lactulose) + Consultation Package US$299.00 Purchase Added! GI-MAP Test with Zonulin + Consultation Package US$785.00 Purchase Added! HTMA Testing + Consultation Package (USA & Canada ONLY) US$295.00 Purchase Added! HTMA Testing + Consultation Package (Australia & NZ ONLY) US$325.00 Purchase Added!