Registry · NAICS Index

Sector 62 — Health Care and Social Assistance

Reference listings and standards for industries classified under NAICS Sector 62. Select a national industry below for SBA size bounds and SIC mappings.

Top Industries & SBA Standards under Sector 62

Code Industry Title SBA Size Standard
621111 Offices of Physicians (except Mental Health Specialists) $16,000,000
621112 Offices of Physicians, Mental Health Specialists $13,500,000
621210 Offices of Dentists $9,000,000
621310 Offices of Chiropractors $9,000,000
621320 Offices of Optometrists $9,000,000
621330 Offices of Mental Health Practitioners (except Physicians) $9,000,000
621340 Offices of Physical, Occupational and Speech Therapists, and Audiologists $12,500,000
621391 Offices of Podiatrists $9,000,000
621399 Offices of All Other Miscellaneous Health Practitioners $10,000,000
621410 Family Planning Centers $19,000,000

💡 Sector Guidance

Sector Selection Rule: When registering your business profile on SAM.gov or state registers, you must declare a single primary NAICS code representing your largest source of revenue. While you can add multiple secondary codes from Sector 62 (Health Care and Social Assistance) to showcase your full capability list, only one primary code dictates your macro size eligibility.

National Industries in this Sector (39)

621111 Offices of Physicians (except Mental Health Specialists)
621112 Offices of Physicians, Mental Health Specialists
621210 Offices of Dentists
621310 Offices of Chiropractors
621320 Offices of Optometrists
621330 Offices of Mental Health Practitioners (except Physicians)
621340 Offices of Physical, Occupational and Speech Therapists, and Audiologists
621391 Offices of Podiatrists
621399 Offices of All Other Miscellaneous Health Practitioners
621410 Family Planning Centers
621420 Outpatient Mental Health and Substance Abuse Centers
621491 HMO Medical Centers
621492 Kidney Dialysis Centers
621493 Freestanding Ambulatory Surgical and Emergency Centers
621498 All Other Outpatient Care Centers
621511 Medical Laboratories
621512 Diagnostic Imaging Centers
621610 Home Health Care Services
621910 Ambulance Services
621991 Blood and Organ Banks
621999 All Other Miscellaneous Ambulatory Health Care Services
622110 General Medical and Surgical Hospitals
622210 Psychiatric and Substance Abuse Hospitals
622310 Specialty (except Psychiatric and Substance Abuse) Hospitals
623110 Nursing Care Facilities (Skilled Nursing Facilities)
623210 Residential Intellectual and Developmental Disability Facilities
623220 Residential Mental Health and Substance Abuse Facilities
623311 Continuing Care Retirement Communities
623312 Assisted Living Facilities for the Elderly
623990 Other Residential Care Facilities
624110 Child and Youth Services
624120 Services for the Elderly and Persons with Disabilities
624190 Other Individual and Family Services
624210 Community Food Services
624221 Temporary Shelters
624229 Other Community Housing Services
624230 Emergency and Other Relief Services
624310 Vocational Rehabilitation Services
624410 Child Care Services

Frequently Asked Questions

What is NAICS Sector 62? ▾

Sector 62 represents 'Health Care and Social Assistance' in the North American Industry Classification System (NAICS) taxonomy. It groups establishments based on their shared production processes and operational inputs.

How many U.S. national industries are listed under NAICS Sector 62? ▾

There are exactly 39 6-digit U.S. national industries listed under NAICS Sector 62 in our registry, compiled from the active 2022 Census NAICS manual.

What is the hierarchical structure under Sector 62? ▾

Economic activities in Sector 62 are organized hierarchically: the first two digits designate Sector 62, which rolls down into 3-digit subsectors, 4-digit industry groups, 5-digit NAICS industries, and 6-digit national industries.

What type of business activities belong to Sector 62? ▾

Sector 62 covers establishments engaged in 'Health Care and Social Assistance'. Select any specific six-digit industry code from the directory list to see detailed definitions and examples.

How do I determine the SBA size standard for codes in Sector 62? ▾

Each industry in Sector 62 has its own specific size standard limit set by the SBA. You must check the individual six-digit industry page to see if it is a receipts-based limit or employee-based limit.

Do Sector 62 industries map to legacy SIC codes? ▾

Yes, every six-digit industry in Sector 62 maps to one or more legacy four-digit SIC codes. The concordance crosswalk handles splits to map legacy files to modern formats.

What are the common IRS Principal Business Activity codes for this sector? ▾

The IRS Principal Business Activity (PBA) codes for Sector 62 are derived directly from these NAICS classifications and must be listed on federal tax returns to group business income.

Is a NAICS code in Sector 62 state-specific? ▾

No, all NAICS classifications in Sector 62 are federal standards uniform across all 50 states, ensuring consistent statistics and compliance.

Sources & References

  1. U.S. Census Bureau: North American Industry Classification System (NAICS) Manual
  2. U.S. Small Business Administration (SBA): Table of Small Business Size Standards
  3. Electronic Code of Federal Regulations (eCFR): 13 CFR Part 121 - Small Business Size Regulations
  4. Acquisition.gov: Federal Acquisition Regulation (FAR) Part 19 - Small Business Programs
  5. Internal Revenue Service (IRS): Instructions for Schedule C (Form 1040) Principal Business Activity (PBA) Codes
  6. U.S. General Services Administration (GSA): System for Award Management (SAM.gov) Unique Entity ID Guide
  7. Defense Logistics Agency: Defense Logistics Agency (DLA) CAGE Search and Registration
  8. United Nations Statistics Division: International Standard Industrial Classification of All Economic Activities (ISIC)
  9. U.S. Occupational Safety and Health Administration (OSHA): Standard Industrial Classification (SIC) Manual
  10. U.S. Securities and Exchange Commission (SEC): SEC EDGAR Filer Standard Industrial Classification Codes