The booklet first describes the ELISA (enzyme-linked immunosorbent assay) antibody screening test and Western Blot analysis used to detect the antibody specific for HIV, with attention to their shortcomings and benefits. New York State's AIDS testing policy is outlined, as are pretest and counseling procedures. Also covered are interpretation of test results, notification and evaluation of patients with positive results, and advice that physicians should give to patients with positive results and those with negative results. Referrals, references, list of laboratories, and patient consent forms (in English and Spanish) for use outside New York City.