LSU Diagnostics: Louisiana Animal Disease Diagnostic Lab

Using diagnostics to protect animals and people

LSU Diagnostics (Louisiana Animal Disease Diagnostic Lab) is a full-service AAVLD-accredited laboratory. Housed in the LSU School of Veterinary Medicine, LSU Diagnostics services the people of Louisiana and surrounding states by providing animal disease diagnostic services to agricultural and general communities. LSU Diagnostics enhances research development and adaptation of diagnostic tests and protocols, researches and investigates livestock and companion animal diseases impacting the health and wellbeing of the animals and citizens of Louisiana, and researches selective diseases impacting the economics on the animal industries of Louisiana. 

LSU Diagnostics operates in partnership with Louisiana State University, the LSU School of Veterinary Medicine, Louisiana veterinarians, and livestock and poultry producers. LSU Diagnostics also provides support for the teaching and research programs of LSU Vet Med. 

Contact Us

River Road, Room 1043

Baton Rouge, LA 70803

Administration: 225-578-9777

Sample Receiving and Accessions: 225-578-9778

After hours emergency: 859-806-4775   


LSU Diagnostics is located in Baton Rouge, Louisiana, on River Road adjacent to the LSU School of Veterinary Medicine.

The entrance is on River Road near Skip Bertman Drive.


Hours of Operation

Regular Hours

Monday - Friday, 8:00 AM - 5:00 PM

Holiday Hours

LSU Diagnostics will be closed on Monday, September 2 for the Labor Day holiday.


Weekend coverage

includes essential but limited services within the bacteriology laboratory.

Necropsy services

are available on Saturdays provided the animal arrives before 10:00 AM on Saturday.

Courier and Free Fed Ex Shipping In Louisiana

We offer free FedEx shipping in Louisiana and discounted shipping for out-of-state.

You will need to print the label from LADDL client portal address

Call 225-578-9777 if you have not already set your account on the portal.


Meet OurStaff

Support LSU Diagnostics

A general support fund for LSU Diagnostics will be used for new diagnostic assay development and validation, equipment, sending staff members to training programs, staff recognition awards, and educational opportunities for anatomic pathology residents.

You can donate to LSU Diagnostics by mailing a check to 

LSU Foundation

3796 Nicholson Drive

Baton Rouge, LA 70802

Checks should be made payable to the LSU Foundation with "LADDL" in the memo line. 

If you have questions, please call LSU Diagnostics (LADDL) at 225-578-9777.