Nebraska DNA & Drug Testing: Find Clinic Locations by City Drug Testing and DNA Testing Locations in Nebraska: Health Street has 44 Clinics in 14 NE Cities Bellevue Columbus Fairbury Fremont Grand Island Hastings Kearney La Vista Lincoln Norfolk North Platte Omaha DNA Testing Omaha Drug Testing Papillion Ralston Marijuana Laws in Nebraska: THC is not permitted for any legal use in the state of Nebraska.