• Annual Wellness

  • Basic Metabolic Panel (BMP)

  • Comprehensive Metabolic Panel (CMP)

  • Chemistry

  • Hormone Panel

  • Allergy Panel

  • Electrolyte Panel

  • Tumor Markers

  • Microbiology

  • Immunology & Serology

  • Women's

    • Cytology

    • Papsmear

    • Anatomic Pathology

    • Pathology & Non-GYN Cytology

    • Pregnancy Test

    • Women's Health

  • Men's Health

  • Coagulation

  • Lipid Panel

  • Liver Panel

  • Thyroid Panel

  • Renal Panel

  • Heart Health

  • Hepatitis Panel

  • Urine Toxicology

  • CBC Panel

  • Hemoglobin/Hematocrit

  • TIBC/TIBP – Total Iron Binding Capacity

LDL Subfractions
Women's Health


Therapeutic Drug Monitoring


We have been serving Southern California since 1987.  We utilize over 30 years of experience in the medical laboratory field.  Our labs are performed with the most advanced technology available and our team is passionate about delivering exceptional quality and customer service.

Every day we strive to achieve the highest ethical standards, provide superior accuracy, and exceed customer expectations.  Our laboratory is large enough to service national customers and small enough to provide the attention you deserve.

Our Promise to You
“We promise to passionately serve you by not only providing diagnostic and auxiliary services, but by building a long lasting relationship with you and your team.  Our team is committed to consistently setting the industry standard.”

Our nationally recognized laboratory specializes in:

Who We Are

Common Panels


We recognize medical treatment is changing.  We have developed the highest level of service of any laboratory in the area.

How we are different:
1.     We can schedule weekly (or twice weekly) blood pulls.  This means your patients don’t need to drive to a laboratory, wait, and pay.  This increases the perception of quality for your practice. - For local clients (full panels required).
2.     We perform all necessary blood work and urine toxicology.
3.    Results can be delivered within 24 hours.
4.    Courier for local clinics.
5.    FedEx prepaid shipping packs.
6.    We are in-network with most PPOs.

Special Chemistry

Quick Links


●    We are owned and operated by fully licensed Pathologists with PhD Degrees and MBAs.
●    Laboratory Analysis Methods based on the highest efficacy.
●    LC-MS/MS Technology.
●    Accurate easy-to-read reports.
●    Comprehensive testing protocols.
●    CLIA Certified.
●    HIPPA compliant.

"Laboratory Services For The Medical Community"

It may be an old-fashioned saying, but we truly believe our word is our bond.  Our clients will never complain about our attention to detail or our integrity.

But, in case you are new to working with PLS you should know we are leaders and innovators.  We are committed to excellence and believe our standard is in a league of its own.

We simply take immense pride in delivering accurate results and exceptional customer service to our clients.  When you give us your business we will show you why we are simply 'the best'.