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    622 - Hospitals

    When navigating the healthcare industry or exploring government contracting opportunities, knowing the NAICS code 622 is essential. This key classification represents establishments that provide critical medical services through various types of hospitals. Whether you’re a business owner, healthcare professional, or industry analyst, understanding NAICS code 622 - Hospitals will help you identify the scope, services, and business types involved in this sector.

    What is NAICS Code 622?

    NAICS code 622 is part of the Health Care and Social Assistance sector. It specifically covers establishments primarily engaged in providing comprehensive medical, diagnostic, and treatment services in facilities known as hospitals. These services include both inpatient and outpatient care, along with surgical procedures, emergency room treatment, and specialized healthcare offerings.

    Key aspects of NAICS code 622:

    • Applies to medical facilities known as hospitals.
    • Includes general medical and surgical, psychiatric and substance abuse, and specialty hospitals (excluding psychiatric and substance abuse).
    • Focuses on delivering diagnostic, treatment, emergency, and surgical services.

    Sector: Health Care and Social Assistance

    Within the broader Health Care and Social Assistance sector, NAICS 622 falls under a critical category focused on direct medical services. The sector encompasses various health services, but hospitals play a foundational role in delivering acute care and specialty treatments that require sophisticated infrastructure and licensed healthcare professionals.

    Typical Business Types and Activities under NAICS 622:

    • General Medical and Surgical Hospitals: These establishments offer a wide range of diagnostic, medical, surgical, and emergency care for various diseases and injuries.
    • Psychiatric and Substance Abuse Hospitals: Facilities specializing in mental health services, psychiatric care, and treatment for substance use disorders.
    • Specialty Hospitals (except Psychiatric and Substance Abuse): Hospitals focused on specific medical conditions or patient groups, such as cardiac, orthopedic, or children’s hospitals.

    Size Standards for NAICS Code 622 Eligibility

    For businesses interested in government contracts or small business programs, size standards are a critical consideration. The U.S. Small Business Administration (SBA) defines size standards based on the number of employees or average annual receipts. For NAICS code 622:

    • Small Business Size Standard: Typically, hospitals under NAICS 622 are classified as small if they have 1,500 or fewer employees.
    • Size standards may vary depending on the specific subtype and contract requirements.

    Check the latest SBA guidelines to confirm current size limits as standards can be updated.

    Examples of Businesses Under NAICS Code 622

    To better understand the scope, here are examples of typical establishments classified under NAICS 622:

    • Community General Hospital – Offering emergency care, surgery, and inpatient services to local populations.
    • State Psychiatric Hospital – Providing residential psychiatric treatment and counseling.
    • Children’s Specialty Hospital – Focusing on pediatric care with advanced surgical and diagnostic technology.
    • Cardiac Care Hospital – Specializing in heart surgery, diagnostics, and rehabilitation.

    Frequently Asked Questions (FAQ)

    What services are included under NAICS code 622?

    NAICS 622 covers a broad spectrum of hospital services, including inpatient and outpatient medical treatment, surgical procedures, emergency room services, psychiatric care, and specialty treatments.

    Can outpatient clinics be classified under NAICS 622?

    No, NAICS 622 is specific to hospitals. Outpatient clinics generally fall under different NAICS codes such as 621 (Ambulatory Health Care Services).

    What is the importance of knowing the NAICS code 622?

    Understanding this code helps healthcare providers, contractors, and government agencies identify relevant businesses, ensure proper classification, and assess eligibility for contracting and compliance purposes.

    How does the SBA define a small hospital for this NAICS code?

    According to SBA, hospitals classified under NAICS 622 are typically small businesses if they employ 1,500 or fewer people. This designation affects eligibility for small business programs.

    Are specialty hospitals included in NAICS code 622?

    Yes, specialty hospitals (excluding psychiatric and substance abuse hospitals) like cardiac or orthopedic hospitals are included under NAICS 622.


    Knowing the ins and outs of NAICS code 622 - Hospitals provides clarity for businesses and stakeholders operating in the health care sector. From general hospitals to specialized care facilities, this NAICS code encapsulates a vital part of the healthcare infrastructure. Whether for contracting, research, or market analysis, accurate classification within NAICS 622 ensures better strategic decisions and industry insight.


    Keywords: NAICS code 622, Hospitals, Health Care and Social Assistance, hospital services, general medical hospitals, psychiatric hospitals, specialty hospitals, small business size standard, healthcare NAICS codes