| Business | Phone |
| Basin Vascular Laboratory 1335 Tamera Dr, Klamath Falls 97603 | (541) 850-3343 |
| Linkville Medical Laboratories 4509 S 6th St # 311, Klamath Falls 97603 | (541) 882-2426 |
| Superior Cytology Svc 905 Main St # 413, Klamath Falls 97601 | (541) 850-2386 |