Understanding NAICS and SIC 🏥

Are you a dentist who’s unsure about the business code your practice falls under? Or maybe you’re just someone curious about the dental industry and its classification system. Whatever your reason, you’ve come to the right place to learn more about the Business Code for Dentists (NAICS & SIC).

The North American Industry Classification System (NAICS) is used by government agencies to classify businesses in North America based on their primary activities.

According to NAICS, dental offices fall under code 621210, which includes offices of dentists and dental surgeons. Additionally, the Standard Industrial Classification (SIC) system also categorizes dental practices under code 8021.

In this article, we’ll discuss what these codes mean for dentists, why they’re important, and how they can impact your business. By the end of this post, you’ll have a clear understanding of the business code for dentists and how it pertains to your practice.

What is a Business Code?

A Business Code is a standardized code used to classify businesses based on the industry they operate in. It helps with statistical analysis and collecting data for economic research. Examples of Business Codes include NAICS (North American Industry Classification System) and SIC (Standard Industrial Classification).

What is a NAICS Code

What is a NAICS Code?

A NAICS Code (North American Industry Classification System) is a standardized system used in the United States, Canada, and Mexico to classify businesses by industry. It helps government agencies and organizations collect and analyze data on economic activity.

Each business is assigned a six-digit code based on its primary industry, which can be used for market research, reporting, and funding purposes.

NAICS Code Meaning

The numbering system for NAICS codes works in the following manner:

  • Numbers 1 and 2:  Indicate the economic sector in which the company is located
  • Number 3: You will find the company’s sub-sector
  • Number 4: Indicates the industry group that the company is a member of
  • Number 5: The company’s particular industry is identified
  • Number 6: The national industry of the company is identified

As a result, every NAICS code relates to an individual business and describes what it does

NAICS Code Meaning

NAICS Code for Dentists

The NAICS code for dentists is 621210. This code is specific to offices of dentists, which includes general and specialized dental practices. The NAICS provides a standardized classification system for businesses in the United States, Canada, and Mexico.

Besides 621210, there are other NAICS codes that might be applicable to dental-related businesses, such as dental laboratories or dental equipment and supplies wholesalers. However, if you’re searching for specific data related to dental practice, you should focus on the NAICS code 621210.

Here’s a list of all NAICS codes for Dentists:

Offices of Dentists 621210
Dental Laboratories 339116
Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers 423450

What is a SIC Code?

A SIC code, or Standard Industrial Classification code, is a system used by the US government to classify businesses by industry. It is a four-digit code that identifies the primary activity of a business. The purpose of SIC codes is to facilitate the collection, analysis, and dissemination of industrial statistics.

SIC Code Meaning

SIC Code Meaning

The SIC codes have four digits and there are more than 1,000 unique codes nationally recognized.

  • The first two digits are used to identify the major group, which is then further divided into 12 groups at higher levels
  • The third digit reveals a little more detail – more specific industry groupings
  • The fourth digit shows the industry sector

The official US Standard Industrial Classification code is always four digits; however, some private companies use six, seven, or eight-digit versions of these codes for more specific marketing or research.

SIC Code for Dentists

The Standard Industrial Classification (SIC) system was used by the US government to classify and measure economic activity. The SIC code for dentists is 8021, which falls under the “Offices and Clinics of Dentists” category. This code is used to track statistical data related to dental practices, including revenue and employment.

If you’re interested in exploring other SIC codes related to the dental industry, here’s a list of all SIC codes for Dentists:

Offices and Clinics of Dentists 8021
Dental Laboratories 8022
Medical Laboratories 8071
Health and Allied Services, Not Elsewhere Classified 8099

Knowing the correct SIC code for your dental practice can be beneficial when it comes to obtaining funding or doing market research. By using the appropriate code, you can ensure that you are accurately represented in industry statistics and reports.

What is the Difference Between NAICS and SIC Codes?

NAICS (North American Industry Classification System) and SIC (Standard Industrial Classification) codes are both used to classify businesses based on the type of industry they operate in. However, NAICS is a newer and more detailed system that better reflects current industries, while SIC codes were developed in the 1930s and may be outdated for some businesses.


To summarize, in this article, we discussed the importance of Business Codes for Dentists, and explained what NAICS and SIC codes are. We also provided a guide on how to find the relevant code for your dental business.

If you found this article helpful, be sure to check out BetterStudio blog for more related tutorials about business codes and other helpful topics.

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Thank you for taking the time to read this article. If you have any questions or concerns about Business Codes for Dentists or anything else we covered, feel free to leave a comment below and we’ll be happy to help!

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