62151 Medical and Diagnostic Laboratories

Official definition

This industry comprises establishments known as medical and diagnostic laboratories primarily engaged in providing analytic or diagnostic services, including body fluid analysis and diagnostic imaging, generally to the medical profession or to the patient on referral from a health practitioner.

Examples Census gives

• Dental or medical X-ray laboratories
• Medical pathology laboratories
• Diagnostic imaging centers
• Medical testing laboratories
• Medical forensic laboratories

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

• Establishments, such as dental, optical, and orthopedic laboratories, primarily engaged in providing the following activities to the medical profession, respectively: making dentures, artificial teeth, and orthodontic appliances to prescription; grinding lenses to prescription; and making orthopedic or prosthetic appliances to prescription are classified in Industry 33911, Medical Equipment and Supplies Manufacturing.
• Establishments primarily engaged in providing health screening or physical fitness evaluation services (except by offices of health practitioners) are classified in Industry 62199, All Other Ambulatory Health Care Services.

Source: US Census Bureau, 2022 NAICS cross-references.

Codes in 62151

• 621511Medical Laboratories
• 621512Diagnostic Imaging Centers