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    621493 - Freestanding Ambulatory Surgical and Emergency Centers

    Navigating the complex world of government contracting and business classification starts with understanding key NAICS codes. One such important classification is NAICS code 621493, which covers Freestanding Ambulatory Surgical and Emergency Centers. Whether you're a healthcare provider, contractor, or entrepreneur exploring federal opportunities or market research, this code unlocks insights into a pivotal segment of the Health Care sector.

    What is NAICS Code 621493?

    NAICS 621493 defines the industry comprising establishments primarily engaged in providing ambulatory surgical and emergency medical services that operate independently, freestanding from hospitals. These facilities specialize in outpatient surgical procedures and emergency medical services delivered in a setting outside of traditional hospital environments.

    This classification captures a growing trend towards accessible, specialized healthcare services designed to offer efficient, high-quality care without the overhead of hospital operations.

    Sector and Business Activities

    • Sector: Health Care and Social Assistance
    • Industry focus: Outpatient surgical and emergency care services provided in freestanding centers.

    Typical Business Types and Activities

    • Ambulatory Surgical Centers
    • Freestanding Emergency Medical Centers
    • Outpatient Surgical Clinics
    • Laser Surgery Centers (freestanding)
    • Trauma Centers (except hospital-based)
    • Urgent Medical Care Centers and Clinics (freestanding)

    These centers focus on delivering procedures and emergency care that require specialized staff and equipment but do not necessitate overnight hospital stays. Their freestanding nature allows for flexibility, ease of access, and in many cases, reduced costs for patients.

    Size Standard for NAICS 621493

    For government contracting and Small Business Administration (SBA) purposes, the size standard associated with NAICS 621493 is:

    • $19 million in average annual receipts

    This means that to qualify as a small business under this code, establishments must have average annual revenues not exceeding $19 million.

    Examples of Businesses Under NAICS 621493

    • Independent Ambulatory Surgical Centers providing outpatient procedures such as endoscopy, minor surgeries, or laser treatments
    • Freestanding Emergency Centers offering 24/7 urgent care and emergency services separate from hospital ERs
    • Specialized outpatient clinics focusing on pain management, orthopedic surgeries, or dermatological surgeries

    These businesses play a critical role in local healthcare ecosystems by providing accessible, focused care options.

    NAICS 621493 Code Details

    Code Detail Description
    Ambulatory surgical centers and clinics, freestanding Standalone facilities providing outpatient surgeries
    Emergency medical centers and clinics, freestanding Independent emergency care providers outside hospitals
    Freestanding ambulatory surgical centers and clinics Outpatient surgery centers not part of a hospital
    Freestanding emergency medical centers and clinics Emergency care facilities separate from hospital ERs
    Laser surgery centers, freestanding Facilities specializing in laser procedures without hospital affiliation
    Trauma centers (except hospitals), freestanding Trauma care centers operating independently of hospitals
    Urgent medical care centers and clinics (except hospitals), freestanding Walk-in/urgent care centers functioning apart from hospitals

    Frequently Asked Questions (FAQs)

    What services do Freestanding Ambulatory Surgical and Emergency Centers provide?

    They offer a wide range of outpatient surgical procedures and emergency medical services that do not require hospital admission, enabling faster and oftentimes less expensive care.

    Are these centers part of hospitals?

    No, the key characteristic of NAICS 621493 centers is that they are freestanding and operate independently of hospital systems.

    Who uses NAICS code 621493?

    Healthcare providers, contracting officers, business owners, and market analysts use this code to classify and seek opportunities within the ambulatory and emergency care market segment.

    What is the significance of the $19 million size standard?

    This is the SBA-determined revenue threshold that defines whether a business qualifies as a small business under this NAICS code. Businesses at or below this limit may access small business set-asides and contracting benefits.

    Can urgent care centers be classified under this code?

    Yes, freestanding urgent medical care centers (except hospitals) are included under NAICS 621493.


    Understanding NAICS code 621493 is critical for businesses and professionals operating in the vibrant healthcare sector. Whether seeking government contracting opportunities or expanding healthcare services, this classification sheds light on a key segment delivering accessible, specialized outpatient and emergency care outside traditional hospital settings.
    Optimize your business strategy today by tapping into the precise insights this NAICS code offers!