AVR breaking out! Company Information Avitar Inc New. The Group's principal activities are to develop, manufacture and market diagnostic test products and proprietary medical-grade hydrophilic polyurethane foam disposables. These products are designed for medical, diagnostic, dental and consumer use. The Group also operates a certified laboratory and provides specialized drug testing services primarily utilizing hair and meconium as the samples. This is done through its wholly owned subsidiary, United States Drug Testing Laboratories, Inc. The products include ORALscreen (TM), an oral fluid-based, rapid on-site assay system for detecting drugs of abuse. HairScreen(TM), is a hair-based test that detects both short and long-term drug abuse. The Child Guard(TM) tests provide the ability to detect a child's exposure to drugs and possible drug abuse through testing of a child's hair. Diagnostic test products and drug detection services accounted for 79% of fiscal 2002 revenues and Foam disposable products, 21%.