2017 NAICS Definition

T = Canadian, Mexican, and United States industries are comparable.

621511 Medical Laboratories

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

Illustrative Examples:

Blood analysis laboratories
Medical pathology laboratories
Medical bacteriological laboratories
Medical testing laboratories
Medical forensic laboratories


Cross-References.
  • Establishments known as dental laboratories primarily engaged in making dentures, artificial teeth, and orthodontic appliances to prescription are classified in U.S. Industry 339116, Dental Laboratories;
  • Establishments known as optical laboratories primarily engaged in grinding lenses to prescription are classified in U.S. Industry 339115, Ophthalmic Goods Manufacturing; and
  • Establishments known as orthopedic laboratories primarily engaged in making orthopedic or prosthetic appliances to prescription are classified in U.S. Industry 339113, Surgical Appliance and Supplies Manufacturing.
2007
NAICS		   2012
NAICS		   2017
NAICS		   Corresponding Index
Entries
621511   621511   621511   Bacteriological laboratories, diagnostic
621511   621511   621511   Bacteriological laboratories, medical
621511   621511   621511   Biological laboratories, diagnostic
621511   621511   621511   Blood analysis laboratories
621511   621511   621511   Cytology health laboratories
621511   621511   621511   DNA testing laboratories
621511   621511   621511   Forensic laboratories, medical
621511   621511   621511   Genetic testing laboratories
621511   621511   621511   Laboratories, medical (except radiological, X-ray)
621511   621511   621511   Laboratory testing services, medical (except radiological, X-ray)
621511   621511   621511   Medical laboratories (except radiological, X-ray)
621511   621511   621511   Medical pathology laboratories
621511   621511   621511   Mycology health laboratories
621511   621511   621511   Parasitology health laboratories
621511   621511   621511   Pathological analysis laboratories
621511   621511   621511   Pathology laboratories, medical
621511   621511   621511   Testing laboratories, medical
621511   621511   621511   Toxicology health laboratories
621511   621511   621511   Urinalysis laboratories