Comprehensive HIV Prevention Act of 1993 - Amends the Public Health Service Act to replace the title relating to the prevention of acquired immune deficiency syndrome (AIDS) with a new title on the prevention of human immunodeficiency virus (HIV) infection.

Requires: (1) coordination of the HIV infection prevention activities of the Centers for Disease Control and Prevention, the Health Resources and Services Administration, the National Institutes of Health (NIH), and the Substance Abuse and Mental Health Services Administration (designated agencies); (2) establishment of the Secretary's Advisory Council on HIV Prevention; (3) a comprehensive plan for each designated agency's activities; (4) submission directly to the President, for review and transmittal to the Congress, of a budget for carrying out each plan; and (5) establishment, within each designated agency other than NIH, of an office to prepare the plan and carry out related activities.

Authorizes the conduct or support of: (1) activities to obtain epidemiological data; (2) community-based activities; (3) counseling and testing regarding HIV infection (and resulting conditions), referrals, and partner notification; (4) activities to provide information to the public and to special populations; (5) prevention activities regarding adolescents, including through school-based programs; and (6) prevention programs in addition to those specified in this Act. Authorizes appropriations.

Authorizes technical assistance.