Welcome to your premier gastroenterology testing laboratory

For more than 29 years, Joli Diagnostic Inc. has been offering fast, dependable, and affordable service. 

Our Services at Joli Diagnostic Inc.

Disaccharidase Determination

Small Bowl Biopsy

Pancreatic Elastase (PE) in Stool

Stool Sample

Pancreatic Enzyme Determination

Pancreatic Fluid/Secretions

Fecal H. Pylori Specific Antigen

Stool Sample


                                                          Stool Sample

Why Choose Joli Diagnostic Inc.


 Test results delivered within a week of testing at the lab*


Available by phone and direct e-mail for any inquiries


Competitive market pricing. Reach out directly


Experienced technicians & GI physicians  with decades of experience

About Our Company

Founded in 1994, JOLI Diagnostic Inc. is currently a woman-owned, woman-run, small business in the suburbs of Buffalo, NY. Being a small business, we pride ourselves on highly personalized interactions with our clients. Our competitive costs, prompt turn-around times, and experience has allowed us to steadily grow our reputation as a leading company in the field.