621420 Outpatient Mental Health and Substance Abuse Centers

Official definition

This industry comprises establishments with medical staff primarily engaged in providing outpatient services related to the diagnosis and treatment of mental health disorders and alcohol and other substance abuse. These establishments generally treat patients who do not require inpatient treatment. They may provide a counseling staff and information regarding a wide range of mental health and substance abuse issues and/or refer patients to more extensive treatment programs, if necessary.

Examples Census gives

• Outpatient alcoholism treatment centers and clinics (except hospitals)
• Outpatient mental health centers and clinics (except hospitals)
• Outpatient detoxification centers and clinics (except hospitals)
• Outpatient substance abuse treatment centers and clinics (except hospitals)
• Outpatient drug addiction treatment centers and clinics (except hospitals)

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

• Establishments known and licensed as hospitals primarily engaged in the inpatient treatment of mental health and substance abuse illnesses with an emphasis on medical treatment and monitoring are classified in Industry 622210, Psychiatric and Substance Abuse Hospitals.
• Establishments primarily engaged in the inpatient treatment of mental health and substance abuse illnesses with an emphasis on residential care and counseling rather than medical treatment are classified in Industry 623220, Residential Mental Health and Substance Abuse Facilities.
• Establishments of physicians primarily engaged in the independent practice of psychiatry or psychoanalysis are classified in U.S. Industry 621112, Offices of Physicians, Mental Health Specialists.
• Establishments of independent mental health practitioners (except physicians) are classified in Industry 621330, Offices of Mental Health Practitioners (except Physicians).
• Establishments primarily engaged in providing nonresidential counseling services for substance abuse, mental health, suicide intervention, and other crisis intervention social services to children and youth, the elderly, persons with disabilities, and all other individuals and families are classified in Industry Group 6241, Individual and Family Services.

Source: US Census Bureau, 2022 NAICS cross-references.

Activities listed under 621420

The Census index assigns these 10 activities to this code. If your business matches one, this is your code.

• Alcoholism treatment centers and clinics (except hospitals), outpatient
• Detoxification centers and clinics (except hospitals), outpatient
• Drug addiction treatment centers and clinics (except hospitals), outpatient
• Mental health centers and clinics (except hospitals), outpatient
• Outpatient mental health centers and clinics (except hospitals)
• Outpatient treatment centers and clinics (except hospitals) for substance abuse (i.e., alcoholism, drug addiction)
• Outpatient treatment centers and clinics for alcoholism
• Outpatient treatment centers and clinics for drug addiction
• Psychiatric centers and clinics (except hospitals), outpatient
• Substance abuse treatment centers and clinics (except hospitals), outpatient

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 621420

To count as a small business for SBA loans and federal contracts under NAICS 621420, your business (including affiliates) must not exceed $19 million in average annual receipts. Check your business.

Source: SBA table of size standards, effective March 17, 2023.

Closest UK SIC 2007 codes

There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 8620, 8690), so treat them as a starting point and check the definition.

• 86900Other human health activitiesUK SIC

Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.

Similar codes to compare

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