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    621511 - Medical Laboratories

    When it comes to the healthcare industry, precision and accuracy in diagnostics are paramount. NAICS code 621511 plays a vital role in the medical field by categorizing establishments that specialize in providing medical laboratory services. From analyzing blood samples to performing genetic testing, businesses under this code help drive accurate diagnosis and treatment plans. In this blog post, we will explore everything you need to know about NAICS code 621511 – Medical Laboratories.


    What is NAICS Code 621511?

    NAICS code 621511 refers to medical laboratories engaged primarily in analytic or diagnostic services. These establishments perform medical testing and analysis on various biological specimens such as blood, tissue, and other bodily fluids. The insights generated from these tests assist healthcare providers in diagnosing and treating diseases effectively.


    Sector Overview: Health Care and Social Assistance

    NAICS 621511 falls under the broader Health Care and Social Assistance sector. This sector encompasses businesses and entities that provide medical services, social assistance, and healthcare-related support. More specifically, medical laboratories serve as crucial components in the healthcare ecosystem by offering diagnostic testing services that facilitate patient care and clinical decision-making.


    Typical Business Activities Under NAICS 621511

    Businesses classified within this code typically perform:

    • Clinical diagnostic testing
    • Medical specimen analysis
    • Pathology examinations
    • Genetic and DNA testing
    • Toxicology and urinalysis
    • Forensic laboratory services
    • Cytology and bacteriological studies

    These activities cover a wide range of laboratory testing areas important for disease detection and health monitoring.


    Size Standards for NAICS 621511

    For government contracting and small business classification, the size standard for NAICS code 621511 is set at:

    • $41.5 million in average annual receipts

    This threshold helps define which businesses can qualify as small entities and benefit from SBA programs and government contracts specific to medical laboratories.


    Examples of Businesses Under NAICS 621511

    • Clinical diagnostic laboratories
    • Medical testing laboratories
    • Pathology laboratories

    These business types frequently engage in sophisticated laboratory chemistry, microbial studies, and other diagnostic processes essential to modern medicine.


    NAICS 621511 Code Details

    Description Details
    Bacteriological laboratories, diagnostic Laboratories focused on bacterial analysis
    Bacteriological laboratories, medical Medical labs specializing in bacteria
    Biological laboratories, diagnostic Analyze biological samples for diagnosis
    Blood analysis laboratories Specialized in blood testing
    Cytology health laboratories Examine cells for medical purposes
    DNA testing laboratories Conduct genetic and DNA analysis
    Forensic laboratories, medical Provide laboratory forensic testing
    Genetic testing laboratories Perform genetic screening and diagnostics
    Laboratories, medical (except radiological, X-ray) Medical labs excluding imaging diagnostics
    Laboratory testing services, medical (except radiological, X-ray) Medical lab services excluding radiology
    Medical laboratories (except radiological, X-ray) All medical lab testing excluding imaging
    Medical pathology laboratories Pathology focused laboratory tests
    Mycology health laboratories Analyze fungi and related organisms
    Parasitology health laboratories Test for parasites affecting humans
    Pathological analysis laboratories Perform pathological examinations
    Pathology laboratories, medical Medical labs specializing in pathology
    Testing laboratories, medical Provide various medical testing services
    Toxicology health laboratories Analyze toxic substances in specimens
    Urinalysis laboratories Conduct urine testing services

    Frequently Asked Questions (FAQs)

    What services do NAICS 621511 laboratories provide?

    They offer analytic and diagnostic services including testing blood, tissue, bodily fluids, genetics, and toxicology to help diagnose diseases and guide treatment.

    Which sector does NAICS code 621511 belong to?

    It belongs to the Health Care and Social Assistance sector.

    What is the size standard for medical laboratories under NAICS 621511?

    The size standard is $41.5 million in average annual receipts.

    Can forensic laboratories be included in NAICS 621511?

    Yes, medical forensic laboratories that perform diagnostic testing fit under this NAICS code.

    Are X-ray or radiological labs part of NAICS 621511?

    No, medical laboratories that focus exclusively on radiological or X-ray services are excluded.


    Conclusion

    NAICS code 621511 – Medical Laboratories is fundamental to the healthcare industry, providing essential diagnostic and analytic testing services that assist physicians in delivering accurate diagnoses and effective treatments. Whether you run a clinical diagnostic lab or a specialized genetic testing facility, understanding this NAICS code, its sector, business activities, and size standards is key for government contracting and industry classification.

    Optimizing your business under NAICS 621511 opens doors to new opportunities in healthcare and government sectors, emphasizing the critical role medical laboratories play in patient care and public health.


    For more detailed insights on NAICS codes and government contracting opportunities, stay tuned to our blog!

    View Active Opportunities for NAICS 621511

    See current federal, state, and local government contracts using this NAICS code.

    Browse 621511 Opportunities →
    ← Back to NAICS Browser

    Explore More NAICS Codes:

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    • 21113 - Natural Gas Extraction 
    • 423720 - Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
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    • 21229 - Other Metal Ore Mining

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