
Precision Diagnostics for Better Health
SDI Labs is a clinical diagnostic laboratory dedicated to providing accurate, timely, and reliable testing services to physicians, healthcare providers, and patients. By combining advanced laboratory technology with responsive client support, our team is committed to delivering dependable results and efficient service.
Open an account and start submitting specimens today.
Talk to a Clinical Laboratory Scientist for result clarity and explanation.
24 hour turnaround time for routine testing.
STAT same day results.
Speak to a live agent on every call.
Test Menu
Nine specialties, one accessioning number.
At SDI Labs, patient specimens are handled by experienced laboratory professionals using advanced diagnostic technology and rigorous quality standards. Our laboratory performs a wide range of testing to support physicians and healthcare providers in diagnosing, monitoring, and managing patient health.
Chemistry
CMP, BMP, Lipid Panel, HbA1c, etc.
Hematology
CBC, Differential, PT/INR, aPTT, etc.
Toxicology
Urine Drug Screen, Confirmation (LC/MS), Pain Panel, EtG, etc.
Immunology
ANA, CRP, Rheumatoid Factor, Syphilis Serology, etc.
Molecular
Respiratory Panels, Women's Health, UTI, STI, Wound, etc.
Microbiology
Urine Culture, Blood Culture, Wound Culture, Sensitivity Testing, etc.
Cytology
Pap Smear, Body Fluid Cytology, FNA, Urine Cytology, etc.
Histopathology
Biopsy Analysis, H&E Stain, Special Stains, IHC, etc.
Imaging
X-ray, MRI, etc.
Looking for a specific test? View Full Test Directory
For Providers
The work that happens around the result.
Beyond testing, SDI Labs provides the infrastructure, support, and accessibility healthcare providers need for efficient patient care.
Complimentary Clinical Consultation
Need clarity on the results? Talk to one of our laboratory experts.
Live Customer Support
Speak with a live agent on every call
Mobile Phlebotomy
We come to your office or facility for specimen collection.
Provider Portal & EMR Integration
Secure access to results, integrated with your systems
Walk-In Patient Service Centers
No appointment needed. Walk in, get your draw done, and go about your day. Our staff is warm, fast, and good at what they do.
Courier Services
Specimen pickup and transport by dedicated couriers
For Providers
Getting Started Is Easy
Three Simple Steps to Make SDI Labs Your Laboratory Partner
Reach out
Call (949) 620-0012 or fill out the form below. Tell us what you need. We'll take it from there.
We set you up
Onboarding, courier logistics, EMR integration. We handle the setup so your team doesn’t have to.
Start sending
Call for a specimen pickup and receive routine results within 24 hours. If you ever need anything, we’re just one call away.
About SDI
A working lab built around the practices we serve.
SDI Labs has quickly established itself as a trusted partner for medical practices and healthcare organizations seeking reliable diagnostics and personalized service. Through our commitment to quality, compliance, and strong provider relationships, we continue to expand our presence while supporting better clinical decisions and improved patient care.

For Patients
Patient Service Centers
Walk in for lab work at any of our convenient locations. No appointment necessary.
Santa Ana, CA - Main Laboratory
2204 E. 4th St, Santa Ana, CA 92705
Mon–Fri, 24 hours | Sat, open until 12:00 PM
Westminster, CA
14518 Brookhurst St, Westminster, CA 92683
Mon–Fri, 8:00 AM–4:30 PM | Sat, 8:00 AM–12:00 PM
Opening Soon
Coverage
Accepted Insurances
We work with a wide range of insurance providers to make diagnostic testing accessible and affordable. A selection of major plans appears below — view the full list.







Don't see your insurance? Contact us — we may still be able to help.
Let's Talk
Need Assistance? Our Team Is Here to Help.
Call Us
(949) 620-0012Visit Us
2204 E. 4th St,
Santa Ana, CA 92705
Hours
Open 24 hours Mon–Sat (Closed on Sunday)