Specialty & Advanced Diagnostic Testing in Southern California

Access advanced specialty lab testing handled by board-certified pathologists, experienced laboratory scientists, and CAP-accredited quality standards. Pacific Medical Laboratory provides a full range of specialty diagnostic services for physicians and patients throughout Southern California, while also supporting healthcare providers with referral testing and inbound specimens from Washington, Virginia, and Nevada.

ON-SITE CAP-ACCREDITED DIAGNOSTICS

Advanced Diagnostics for Complex Cases

Get specialized diagnostic testing for cases that require advanced analysis beyond routine blood work. Our CAP-accredited laboratory serves as a regional referral center, providing high-quality specialty testing for healthcare providers throughout Southern California and beyond.

COMPREHENSIVE TEST MENU

Our Specialty Testing Menu

Access a comprehensive range of specialty laboratory services to support accurate diagnosis, treatment planning, and ongoing patient care.

Hormone & Endocrinology Testing

Evaluate hormone levels and endocrine function with specialized testing that supports the diagnosis and management of hormone-related conditions. Our testing menu includes a wide range of endocrine markers used to assess thyroid function, adrenal health, reproductive hormones, and metabolic disorders.

Molecular Diagnostics

Detect genetic, infectious, and disease-specific markers using advanced molecular testing techniques. Molecular diagnostics provide highly sensitive results that support earlier detection, targeted treatment decisions, and personalized patient care.

Infectious Disease Testing

Identify bacterial, viral, fungal, and other infectious diseases through comprehensive laboratory testing. Our specialty testing services help healthcare providers diagnose infections accurately and guide appropriate treatment.

Oncology & Tumor Marker Testing

Support cancer diagnosis, treatment planning, and ongoing disease monitoring with specialized oncology testing. Our laboratory performs tumor marker testing and related diagnostic services to assist physicians throughout the continuum of care.

Autoimmune Testing

Evaluate immune system activity with specialized testing that helps identify autoimmune disorders. These tests support the diagnosis and monitoring of conditions that affect multiple organ systems and overall immune function.

Women's Health & Reproductive Testing

Support women’s health with specialty laboratory testing focused on reproductive health, fertility, prenatal care, hormone balance, and gynecologic conditions. Our testing services provide valuable information for every stage of care.

EXPERT PATHOLOGY OVERSIGHT

Handled by Board-Certified Pathologists & Scientists

Trust your specialty testing to an experienced laboratory team with board-certified pathologists and laboratory scientists who oversee testing.

Our CAP-accredited laboratory follows rigorous quality standards and advanced testing protocols to deliver reliable results that support informed medical decision-making. Through our diagnostic excellence, we strive to simplify complex medical answers for both clinical teams and patient pathways.

REGIONAL REFERRAL HUB

Serving Physicians & Patients Across Southern California

Access specialty laboratory testing through Pacific Medical Laboratory’s Irvine headquarters and network of patient service centers across Southern California. We also support healthcare providers through dedicated courier services for specimen pickup and receive referral specimens from practices throughout Washington, Virginia, and Nevada.

Related Resources

PATIENT GUIDE & PROCESS

How to Order Specialty Testing

Follow these simple steps to order specialty diagnostic testing:

Obtain a Test Order

Have your licensed healthcare provider complete and sign a test requisition form indicating the requested specialty tests.

Collect Specimen

Visit one of our convenient patient service centers or coordinate collection directly at your physician's office.

Lab Processing

Our specialized CAP-accredited laboratory processes and analyzes the sample using advanced testing platforms.

Review Results

Completed, highly-accurate results are securely delivered to your healthcare provider for evaluation and follow-up care.

Healthcare providers can also schedule specimen pickup through our courier service for convenient laboratory processing.

PATIENT & PROVIDER HELP

Specialty Lab Testing: Common Questions

Find answers to common questions about specialty diagnostic testing at Pacific Medical Laboratory.

What is specialty lab testing?

Specialty laboratory testing includes advanced diagnostic tests that go beyond routine blood work. These tests help physicians evaluate complex conditions, confirm diagnoses, monitor treatment, and guide patient care.

Many specialty laboratory tests require an order from a licensed healthcare provider. Contact our team if you have questions about a specific test.

Turnaround times vary depending on the complexity of the test. Some specialty diagnostics require additional processing or analysis. Your healthcare provider can provide more information about the expected timeline.

Yes. In addition to serving physicians and patients throughout Southern California, Pacific Medical Laboratory accepts referral specimens from healthcare providers in Washington, Virginia, and Nevada.

Yes. Our specialty laboratory services are supported by board-certified pathologists and experienced laboratory scientists who oversee testing and quality standards.

Advanced Specialty Diagnostics You Can Rely On

Support every complex case with reliable specialty diagnostics. Pacific Medical Laboratory combines advanced specialty testing, board-certified oversight, and CAP-accredited quality to serve physicians and patients throughout Southern California and regional referral partners across the country.