NAICS Code 621511 Medical Laboratories


Health Care and Social Assistance


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.

Cross References

Establishments primarily engaged in
  • 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 of lenses to prescription are classified in U.S. Industry 339115, Ophthalmic Goods Manufacturing
  • 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

Illustrative Examples

  • Manufacturing.
  • Medical testing laboratories
  • Medical pathology laboratories
  • Medical forensic laboratories
  • Medical bacteriological laboratories
  • Blood analysis laboratories

Industries Included

  • Bacteriological laboratories, diagnostic
  • Bacteriological laboratories, medical
  • Biological laboratories, diagnostic
  • Blood analysis laboratories
  • Cytology health laboratories
  • DNA testing laboratories
  • Forensic laboratories, medical
  • Genetic testing laboratories
  • Laboratories, medical (except radiological, X-ray)
  • Laboratory testing services, medical (except radiological, X-ray)
  • Medical laboratories (except radiological, X-ray)
  • Medical laboratory (except radiological, X-ray)
  • Medical pathology laboratories
  • Mycology health laboratories
  • Parasitology health laboratories
  • Pathological analysis laboratories
  • Pathology laboratories, medical
  • Testing laboratories, medical
  • Toxicology health laboratories
  • Urinalysis laboratories

Industry Leaders

Free Business Search - NAICS 621511

Industry Overview

Total Companies:15595

Est. Employment:727197