All Labcorp Locations - Illinois
- Arlington Heights
- Aurora
- Belleville
- Benton
- Bloomington
- Centralia
- Chicago
- Crystal Lake
- Decatur
- Edwardsville
- Effingham
- Elgin
- Elmhurst
- Evanston
- Glenview Nas
- Granite City
- Gurnee
- Hinsdale
- Hoffman Estates
- Joliet
- Kankakee
- Lake Bluff
- Loves Park
- Marion
- Maryville
- Moline
- Mount Vernon
- Naperville
- New Baden
- O'fallon
- Orland Park
- Peoria
- Saint Charles
- Skokie
- Tinley Park