1. Introduction
2. Control/Query
3. Patient Administration
4. Order Entry
5. Query
6. Financial Management
7. Observation Reporting
8. Master Files
9. Medical Records/Information Management
10. Schedule
11. Patient Referral
12. Patient Care
A. Data Definition Tables
B. Lower Layer Protocols
C. Network Management
D. V2.2 BNF Message Descriptions
E. Glossary
Appendix B. Lower Layer Protocols
The information formerly carried in Appendix B - Lower Layer Protocol (version
2.1) has been moved to the HL7 Implementation Guide. This page serves as
a placeholder for backward compatibility with HL7 version 2.1.