Laboratories in El Cajon, California (CA) - Page: 1 Quest Diagnostics - El Cajon - Main (QD-02042)1685 E Main St Ste 103, El Cajon, CA 92021More Info LabCorp Patient Service Center (LabCorp-10316)1625 E MAIN ST STE 203 EL CAJON CA 92021More InfoAdditional Pages: 1 |