California PCR Laboratory
Our mission is providing the highest standard of service, logistics, precision and performance in medical diagnostics.
Over ONE MILLION tests conducted in California.
Your Health is
Our Mission
CITADEL DIAGNOSTICS is a CLIA and COLA credentialed, high complexity, high-throughput diagnostic laboratory based in southern California, with over 1,000,000+ tests completed. With results and actionable insights in 24 hours or less, our testing services empower clinicians to diagnose and treat patients quickly, accurately, and effectively.
Safeguarding Californians
Proud to Serve
As a Veteran owned and operated business, serving and protecting others is more than a job, it’s a way of life. At Citadel Diagnostics, our mission is to serve and protect the health of Californians, by providing the communities we serve with superior technology, service, care and customized solutions.
We designed our lab and services from the ground up to accommodate a wide range of client needs. From rapid deployment for widespread health crises to turnkey testing for individual patients, we have the people, processes, logistics and resources to meet the health needs of the communities we proudly serve.
Who We Serve
We proudly offer advanced medical testing and support services to Government &Civic Organizations, Nursing & Memory Care Facilities, Employers, Trade Organizations, Schools, Hospitals, Medical Centers and Physician Offices, and Special Events & Venues.
Medical Centers & Physician Offices
We offer diagnostic solutions to Physician Practices, Urgent Care Clinics and Medical Centers across California.
Nursing & Memory Care Facilities
We provide fast results, actionable insights and superior service for nursing homes and senior care facilities.
Government & Civic Organizations
We work closely with Governmental Organizations and Agencies to provide turn-key testing and health services.
Special Venue & Events
Complete set-up, testing, results and mobile app passport to help mitigate COVID-19 exposure at events. Site decontamination also available.
Drive-Thru & Walk-Thru Testing
We proudly provide quick and convenient COVID-19 Drive-thru and Walk-thru testing stations in the communities we serve.
Hospitals
We offer laboratory services & support to hospitals, addressing their significant diagnostic needs with fast & accurate results.
Employers & Business Organizations
We help employers plan and implement custom testing and wellness programs that meet the health needs of their specific company.
Schools & Educational Institutions
We have conducted COVID-19 tests at over 100 California schools, in the State of California's largest school districts.
Citadel ASP™
Citadel’s ASP service significantly enhances treatment outcomes with antibiotic resistance detection and recommendations for antibiotic efficacy. Our clients avoid the 2% CMS Antibiotic Stewardship Penalty and receive monthly Antibiotic Stewardship Reports for presentation to the state.
Featured PCR Tests
Our advanced molecular PCR testing provides a number of significant advantages over culture-based testing, including speed, sensitivity, accuracy, actionability, reliability and extended range of detection for polymicrobial-infections, antibiotic resistance and other valuable data
COVID-19
COVID-19 + Flu
GI
Nail Fungus
RPP
STI / STD
Urine / UTI
Wound
Put Us to the Test.
Find out how we can help plan and implement world-class testing solutions that meet your specific needs. To schedule a free phone, web or in-person consultation, reach out today.
360-Degree Protection
DECONTAMINATION
SERVICES
HEALTH & SAFETY
PLANNING & SOLUTIONS
RAPID RESPONSE
& LOGISTICS
Our Latest Stories
We work hard to stay up-to-date bringing you the latest happenings in the testing industry.
How Can We Help?
Need Some Help?
Visit Us
LAB
- +1 (800) 994-0483
- +1 (562) 444-1335
- 1717 Old Tustin Ave
Suite D
Santa Ana, CA 92705
