A television-like screen attached to a computer or word processing terminal; also known as a cathode ray tube (CRT) .

Method of purchasing group medical practices and linking them together with information technology so that they can exchange clinical and financial data.

Technical strategy for creating secure connections or tunnels over the Internet.

Online medical advice (electronic mail and live chat) for a patient who is already under the care of a medical provider for treatment of minor ailments and follow-up consultations (e.g., medication questions, colds and influenza, laboratory test results, cough and sore throat, headache and migraine, fever, asthma). Some insurance plans pay doctors for online visits.

Destructive program that attaches and copies itself to other programs in a computer system. Some viruses destroy programs or operating systems and data after a precise lapse of time.

Insurance coverage that provides benefits for preventive and corrective eye care and is usually offered with basic coverage (e.g., surgical and/or medical benefits).

Inspection of the eye by an optometrist or ophthalmologist that includes the case history, external examination, ophthalmoscopic examination, refractive status, binocular balance testing, glaucoma testing, and prescription for corrective lenses.

Cross-reference connection between discontinued CPT codes and new codes that replace them. Also see crosswalk and crosswalking

Nonprofit agency serving the community since 1888, committed to the belief that every individual deserves care and support to preserve independence, dignity, and quality of life. VNA dedicates itself to this belief by providing professional and compassionate health care solutions to people touched by disease, disability, or death. Basic services available throughout each state include health supervision, education, and counseling; bedside care; and carrying out physicians’ orders. Personnel include nurses and home health aides.