1: Functions and Types of Health Information Standards

• Assistant Secretary for Technology Policy and Office of the National Coordinator for Health Information Technology (ASTP/ONC) / HealthIT.gov
• HIMSS Interoperability in Healthcare

2: Terminology Standards and Tools

• United States Core Data for Interoperability (USCDI)
• SNOMED CT
• RxNorm
• LOINC
• ICD
• CPT
• MeSH
• UCUM
• UMLS
• RxNav
• DailyMed
• VSAC
• AccessGUDID
• MedlinePlus Connect
• NIH Common Data Element Repository (CDE-R)

3: Exchange Standards

• HL7 International
• HL7 Version 2 Product Brief
• HL7 CDA Product Brief
• HL7 FHIR Resources
• U.S. Core Profiles and Implementation Guide
• HL7 FHIR Implementation Guide

4: Working Together - Revisiting Organizational Interoperability

• eHealth Exchange
• Health Information Technology and Health Data Standards at NLM
• NLM Health IT News Feed