A more recent edition of NAICS is available.
2012 Edition

subsector 621

Ambulatory Health Care Services

Overview

Industries in the Ambulatory Health Care Services subsector provide health care services directly or indirectly to ambulatory patients and do not usually provide inpatient services. Health practitioners in this subsector provide outpatient services, with the facilities and equipment not usually being the most significant part of the production process.

The immediate parent of subsector 621 is sector 62: Health Care and Social Assistance

Descendants

  1. 6211 - Offices of Physicians
    1. 62111 - Offices of Physicians
      1. 621111 - Offices of Physicians (except Mental Health Specialists)
      2. 621112 - Offices of Physicians, Mental Health Specialists
  2. 6212 - Offices of Dentists
    1. 62121 - Offices of Dentists
      1. 621210 - Offices of Dentists
  3. 6213 - Offices of Other Health Practitioners
    1. 62131 - Offices of Chiropractors
      1. 621310 - Offices of Chiropractors
    2. 62132 - Offices of Optometrists
      1. 621320 - Offices of Optometrists
    3. 62133 - Offices of Mental Health Practitioners (except Physicians)
      1. 621330 - Offices of Mental Health Practitioners (except Physicians)
    4. 62134 - Offices of Physical, Occupational and Speech Therapists, and Audiologists
      1. 621340 - Offices of Physical, Occupational and Speech Therapists, and Audiologists
    5. 62139 - Offices of All Other Health Practitioners
      1. 621391 - Offices of Podiatrists
      2. 621399 - Offices of All Other Miscellaneous Health Practitioners
  4. 6214 - Outpatient Care Centers
    1. 62141 - Family Planning Centers
      1. 621410 - Family Planning Centers
    2. 62142 - Outpatient Mental Health and Substance Abuse Centers
      1. 621420 - Outpatient Mental Health and Substance Abuse Centers
    3. 62149 - Other Outpatient Care Centers
      1. 621491 - HMO Medical Centers
      2. 621492 - Kidney Dialysis Centers
      3. 621493 - Freestanding Ambulatory Surgical and Emergency Centers
      4. 621498 - All Other Outpatient Care Centers
  5. 6215 - Medical and Diagnostic Laboratories
    1. 62151 - Medical and Diagnostic Laboratories
      1. 621511 - Medical Laboratories
      2. 621512 - Diagnostic Imaging Centers
  6. 6216 - Home Health Care Services
    1. 62161 - Home Health Care Services
      1. 621610 - Home Health Care Services
  7. 6219 - Other Ambulatory Health Care Services
    1. 62191 - Ambulance Services
      1. 621910 - Ambulance Services
    2. 62199 - All Other Ambulatory Health Care Services
      1. 621991 - Blood and Organ Banks
      2. 621999 - All Other Miscellaneous Ambulatory Health Care Services

History

The NAICS editions in which this code was present are indicated below. In the event that a code was changed from the prior edition the equivalent value in that edition is provided for reference.

Edition Existed Equivalent Value
2002 621
2007 621
2012 621
2017 621
2022 621

Standard Industrial Classification (SIC) Mappings

SIC Mappings are not available at the subsector level, a more specific code is required.

SIC mappings are available for 6 digit national industry codes and their sub-descriptions only. For detailed mappings choose the most appropriate six-digit code from the list of descendants.

Insurance Industry Mappings

Mappings are not available at the subsector level, a more specific code is required.

Insurance industry mappings are available for 6 digit national industry codes and their sub-descriptions only. For detailed mappings choose the most appropriate six-digit code from the list of descendants.

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