All Quest Diagnostics Locations - Missouri
- Arnold
- Ballwin
- Belton
- Blue Springs
- Branson
- Bridgeton
- Cameron
- Cape Girardeau
- Chesterfield
- Columbia
- El Dorado Springs
- Eureka
- Farmington
- Festus
- Florissant
- Gladstone
- Harrisonville
- Independence
- Joplin
- Kansas City
- Kirkwood
- Lake Saint Louis
- Lebanon
- Lees Summit
- Marthasville
- North Kansas City
- Odessa
- Poplar Bluff
- Richland
- Rolla
- Saint Charles
- Saint Joseph
- Saint Louis
- Saint Peters
- Springfield
- Union
- Washington
- Wentzville