NAICS Code 621512 - Diagnostic Imaging Centers

Industry Sector

Health Care and Social Assistance

Total Companies


Est. Employment



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 “Health Care and Social Assistance” Sector. There are 10,044 companies classified in this industry in the USA with an estimated employment of 90,303 people.

Industry Examples

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)
  • Mobile X-ray facility (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

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