Pacific Diagnostic Laboratories Front main building

Welcome to Pacific Diagnostic Laboratories (PDL)

Pacific Diagnostic Laboratories (PDL) is a full-service clinical & anatomic laboratory established to provide the highest quality healthcare services to medical practitioners and patients in the Central Coast and Southern California regions.

NOTE: Appointments now required on Saturdays. Please check location for details.

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Explore the PDL Experience

RECENT NEWS

MyChart Patient Portal Update August 3rd, 2026

Group B Strep PCN Allergy Notice July 14th, 2026

New Billing Company Announcement July 1st, 2026

New Billing Company Transition FAQ's July 1st, 2026

Body Fluid Cell Count Reporting Update: Addition of Calculated White Blood Cell (WBC) Count April 28th, 2026

DISCONTINUATION - Biological/Spore Test (Kilit) Culture April 28th, 2026

Pediatric Reference Range Updates April 14th, 2026

Blood Bank Prenatal Type and Screen Update March 24, 2026

Blood Culture Reporting Changes Effective February 17, 2026

Chemistry Immunoassay Changes Summary Effective February 24, 2026

Chemistry Immunoassay EMR Changes Effective February 24, 2026

PDL Blood Bank DTT Testing February 12, 2026

Chemistry & Immunoassay Test Changes February 10, 2026

Reflex Testing February 2, 2026

Annual Notice to Physicians - 2026

C-Reactive Protein (CRP) Reference Range Change January 29, 2026

LAB10658 - Fatty Acid Profile, Essential - Discontinued January 26, 2026

LAB70 - Folate RBC - Discontinued January 20, 2026

Chemistry Changes at Santa Ynez and PDL Core Lab January 20, 2026

Full-Service Lab Care Close to Home

When you choose PDL, you'll experience a full-service laboratory here to meet your needs. Your ease of access to our services, and satisfaction with your test experience, is our highest priority.

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