TOPA Diagnostics is a specialized anatomic pathology laboratory that has been serving the local medical community for decades. TOPA is accredited by the College of American Pathologists and provides surgical pathology and cytology services, including gynecologic, non-gynecologic and fine-needle aspiration cytology. As a local, specialized laboratory, our focus is to provide superior anatomic pathology expertise and personalized service to our physician-clients and their patients.

TOPA Diagnostics is located at 351 Rolling Oaks Drive, #100, in Thousand Oaks, California. Map here.

Quick links to client services:

• Field service representatives
• Courier
• Supplies
• Billing questions

Services we provide:

• Rapid reporting of results
• Frozen section service to physicians’ offices
• Immediate reporting of malignant, suspicious and unexpected findings
• Special studies (i.e. special stains, immunostains, lymphoma workups)
• An information system that provides digital imaging, internet reporting, EMR capability and autofaxing
• Experienced, client friendly billing department
• In-house couriers who provide rapid pick-up of specimens and delivery of hard copy reports