The Clinical Interoperability Primer provides a high level overview of the ins and outs of clinical interoperability.

The Medication Concept Continuum Cheat Sheet provides a one page diagram with a high level picture of the continuum of medication concepts.

The Basic Interoperability with RxNorm Screencast provides a high level overview of basic interoperability with RxNorm.

The SNOMED-CT Essentials and Core Subset Basics Screencast provides a high level overview of the SNOMED-CT terminology data files.

The Mapping SNOMED-CT to ICD9-CM Screencast provides a high level overview of how you can use the option SNOMED-CT cross map file to help with mapping to ICD9-CM codes.