A more recent edition of NAICS is available.
2012 Edition

national industry 621512

Diagnostic Imaging Centers


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.

The immediate parent of national industry 621512 is international industry 62151: Medical and Diagnostic Laboratories

Illustrative Examples

  • Computer tomography (CT-scan) centers Medical radiological laboratories
  • Dental or medical X-ray laboratories Ultrasound imaging centers
  • Magnetic resonance imaging (MRI) centers


The NAICS editions in which this code was present are indicated below. In the event that a code was changed from the prior edition the equivalent value in that edition is provided for reference.

Edition Existed Equivalent Value
2002 621512
2007 621512
2012 621512
2017 621512
2022 621512

Standard Industrial Classification (SIC) Mappings

  1. 8072 - Dental Laboratories

Insurance Industry Mappings

The US Property and Casualty Insurance Industry may use the following classification descriptions which might encompass national industry 621512, Diagnostic Imaging Centers:

  1. ambulatory health care service
  2. atomic energy radiation exposure not otherwise classified
  3. cardiac cath lab
  4. dental lab
  5. dental laboratory
  6. dental laboratory denturist
  7. dental laboratory including foundry or casting operation
  8. denturist dental laboratory
  9. diagnostic imaging center
  10. diagnostic imaging or x ray center
  11. diagnostic testing laboratory
  12. diathermy quartz lamp x ray or infra red machine
  13. endoscopy center
  14. health care and social assistance
  15. imaging non invasive all other e g eeg ekg
  16. imaging pet scan
  17. imaging therapeutic i e cobalt x ray terahertz etc
  18. imaging x ray
  19. infra red x ray machine diathermy or quartz lamp
  20. lamp machine x ray infra red diathermy or quartz
  21. medical and diagnostic laboratory
  22. medical diagnostic center
  23. medical laboratory analysing
  24. medical laboratory analyzing
  25. mobile medical unit cat scan mammography etc
  26. mri x ray imaging and related diagnostic office
  27. office x ray mri etc
  28. quartz x ray lamp infra red or diathermy machine
  29. radiation specialist diagnosis and treatment only not including x ray infra red diathermy or quartz lamp
  30. radiation specialist including x ray infra red diathermy or quartz lamp
  31. radioisotope exposure
  32. x ray infra red diathermy or quartz lamp machine
  33. x ray mri imaging office
  34. x ray quartz lamp infra red diathermy machine
  35. x ray radiology or imaging laboratory
  36. x ray service non hospital


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