NATIONAL SCREENING LLC

Testing Laboratories and Services

Establishments in this category are primarly engaged in performing physical, chemical, and other analytical testing services, such as acoustics or vibration testing, assaying, biological testing (except medical and veterinary), calibration testing, electrical and electronic testing, geotechnical testing, mechanical testing, nondestructive testing, or thermal testing. The testing may occur in a laboratory or on-site.

Medical Laboratories

This includes 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