Home > Medical Terms for Billing and Coding > OPEN SYSTEM INTERCONNECTION



A multi-layer ISO data communications standard. Level Seven of this standard is industry-specific, and HL7 is responsible for specifying the level seven OSI standards for the health industry.

Learn more about medical coding and billing, training, jobs and certification.

Looking for Exhibiting Opportunities or Group Discounts?

Contact us at 844-825-1679.

Which certification is right for you?

Call 877-290-0440 or have a career counselor call you.

Which books are right for you?

Call 877-524-5027 to speak to a representative.