National Healthcare Directory Query
1.0.0-ballot - ballot United States of America flag

National Healthcare Directory Query, published by HL7 International - Patient Administration Work Group. This is not an authorized publication; it is the continuous build for version 1.0.0-ballot). This version is based on the current content of and changes regularly. See the Directory of published versions


This captures the base rules for all FHIR implementation in USA. The following versions of the Validated Healthcare Directory Implementation Guide are been published:

  • Draft: Working Draft Version