2022 NAICS national industry in sector 62 Health Care and Social Assistance

621310 Offices of Chiropractors

NAICS 621310 is the US industry code for offices of chiropractors. It covers establishments of health practitioners having the degree of D.C.

Code
621310 (2022 NAICS)
Title
Offices of Chiropractors
Part of
Offices of Other Health Practitioners
SBA small business limit
Average annual receipts up to $9 million
Closest UK SIC
86900 (details)

Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.

Official definition

This industry comprises establishments of health practitioners having the degree of D.C. (Doctor of Chiropractic) primarily engaged in the independent practice of chiropractic. These practitioners provide diagnostic and therapeutic treatment of neuromusculoskeletal and related disorders through the manipulation and adjustment of the spinal column and extremities, and operate private or group practices in their own offices (e.g., centers, clinics) or in the facilities of others, such as hospitals or HMO medical centers.

Source: US Census Bureau, 2022 NAICS descriptions.

Businesses that use this code

Activities listed under 621310

The Census index assigns these 3 activities to this code. If your business matches one, this is your code.

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 621310

To count as a small business for SBA loans and federal contracts under NAICS 621310, your business (including affiliates) must not exceed $9 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: 8690), so treat them as a starting point and check the definition.

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

Similar codes to compare

Data last changed November 14, 2026. How this page is built.