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This guide provides information on Oracle Health Sciences Information Manager (OHIM) Cross-Community Access (XCA) Gateway.

The guide describes the features and functions of the Gateway, Integrating the Healthcare Enterprise (IHE) standards, and the web services with their configuration options. This document is intended for Oracle Health Information XCA Gateway users.

The XCA Profile supports the means to query and retrieve patient relevant medical data held by other communities. The Cross-Community Patient Discovery (XCPD) Profile supports the means to locate communities that hold patient relevant health data and the translation of patient identifiers across communities holding the same patient's data.

• Cross-enterprise document sharing actors and transactions
  This section depicts the XDS actors and transactions in a diagram.
• Services provided
  This section describes the web services provided by XCA.
• Hardware requirements
  This section lists the minimum hardware requirements for installing XCA:
• Software requirements
  This section lists the minimum software requirements for installing XCA.
• Supported IHE profiles
  This section lists the IHE profiles supported by XCA.
• Related documents
  This section lists reference documents and the URLs where you can access them.
• Acronyms
  This section provides a list of commonly used acronyms.