NAICS Code 621512 - Diagnostic Imaging Centers

Government Level - NAICS 6-Digit

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NAICS Code 621512 Description

This U.S. industry comprises establishments known as diagnostic imaging centers primarily engaged in producing images of the patient generally on referral from a health practitioner.

NAICS Code 621512 - Diagnostic Imaging Centers is a final level code of the “Medical and Diagnostic Laboratories” Sector. There are 5,946 companies verified as active in this industry in the USA with an estimated employment of 96,249 people.

Industry Sector

Medical and Diagnostic Laboratories

Annual Payroll


Total Revenue


SBA Size Standard

Annual Revenue Limit of $16,500,000

Parent Category - 5-digit Level (less specific)

Industry Examples of NAICS 621512

Common types of examples within NAICS Code 621512 - Diagnostic Imaging Centers are:

  • CAT (computerized axial tomography) scanner centers
  • Computer tomography (CT-SCAN) centers
  • CT-SCAN (computer tomography) centers
  • Dental X-ray laboratories
  • Diagnostic imaging centers (medical)
  • Laboratories, dental X-ray
  • Laboratories, medical radiological or X-ray
  • Laboratory testing services, medical radiological or X-ray
  • Magnetic resonance imaging (MRI) centers
  • Mammogram (i.e., breast imaging) centers
  • Medical laboratories, radiological or X-ray
  • Medical radiological laboratories
  • Medical X-ray laboratories
  • Mobile breast imaging centers
  • Mobile X-ray facilities (medical)
  • MRI (magnetic resonance imaging) centers
  • Positron emission tomography (PET) scanner centers
  • Radiological laboratories, medical
  • Radiological laboratory services, medical
  • Single photon emission computerized tomography (SPECT) centers
  • Ultrasound imaging centers
  • X-ray laboratories, medical or dental

Industry Image

Example photo for industry NAICS 621512 - Diagnostic Imaging Centers . This image represents an activity or product found in this industry.

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Industry Executives

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  • Business Development
  • Chairman
  • C-Level
  • Director
  • Engineering
  • Executive Director
  • Facilities
  • Finance
  • Human Resource
  • IT
  • Manager
  • Marketing
  • Manufacturing
  • Operations
  • Owner
  • Partner
  • President
  • Principal
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  • Vice President

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Questions & Answers

  • What is the SBA NAICS 621512 revenue limit?

    Businesses with an annual revenue under $16,500,000 are considered small businesses by SBA.

  • How many active businesses operate in NAICS Code 621512?

    There are 5,946 verified business locations operating primarily in this industry.

  • What was the total revenue for NAICS Code 621512?

    In 2017 the total revenue for Diagnostic Imaging Centers was $18,872,239,000

  • What was the annual payroll for NAICS Code 621512?

    In 2017 the annual payroll for Diagnostic Imaging Centers was $5,914,445,000

  • How many people work in NAICS Code 621512?

    The number of reported paid employees is 96,249.