U.S. Census Bureau

2007 NAICS Definitions


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.

Illustrative Examples:

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


Go to: No change 2002 to 2007 No change 1997 to 2002 2002 Economic Census and other data sources

2007
NAICS		2002
NAICS		1997
NAICS		 Corresponding Index Entries
621512621512621512 CAT (computerized axial tomography) scanner centers
621512621512621512 Computer tomography (CT-SCAN) centers
621512621512621512 CT-SCAN (computer tomography) centers
621512621512621512 Dental X-ray laboratories
621512621512621512 Diagnostic imaging centers (medical)
621512621512621512 Laboratories, dental X-ray
621512621512621512 Laboratories, medical radiological or X-ray
621512621512621512 Laboratory testing services, medical radiological or X-ray
621512621512621512 Magnetic resonance imaging (MRI) centers
621512621512621512 Mammogram (i.e., breast imaging) centers
621512621512621512 Medical laboratories, radiological or X-ray
621512621512621512 Medical radiological laboratories
621512621512621512 Medical X-ray laboratories
621512621512621512 Mobile breast imaging centers
621512621512621512 Mobile X-ray facilities (medical)
621512621512621512 MRI (magnetic resonance imaging) centers
621512621512621512 Positron emission tomography (PET) scanner centers
621512621512621512 Radiological laboratories, medical
621512621512621512 Radiological laboratory services, medical
621512621512621512 Single photon emission computerized tomography (SPECT) centers
621512621512621512 Ultrasound imaging centers
621512621512621512 X-ray laboratories, medical or dental