Resources for Clinical Document Architecture (CDA) release 2.0
The schema/normative folder contains the original published CDA Schema. This is the schema which is published with the base/core standard. This is mainly used for historical reference. See "CDA Schema Extensions" below for the latest version that includes all extensions; which most people will want to use.
The CDA Stylesheet is located here. It is currently being managed by Alex Henket for SDWG.
The schema/extensions folder contains an SDTC folder which has the updated CDA schema with all SDTC extensions that are approved by HL7.
The FHIR logical models for CDA have been moved to https://github.com/HL7/CDA-core-sd