HL7 v2 parser Glossary

`RRA_O18` - Pharmacy/treatment administration acknowledgement

Segment structure for the RRA_O18 message in HL7 v2.5.1. Cardinality is shown as [min..max]; groups are in bold.

MSH Message header [1..1]
MSA Message acknowledgment [1..1]
ERR Error [0..*]
SFT Software segment [0..*]
NTE Notes and comments [0..*]
RESPONSE Response [0..1]
- PATIENT Patient [0..1]
  - PID Patient identification [1..1]
  - NTE Notes and comments [0..*]
- ORDER Order [1..*]
  - ORC Common order [1..1]
  - TIMING Timing [0..*]
    - TQ1 Timing/quantity [1..1]
    - TQ2 Timing/quantity relationship [0..*]
  - ADMINISTRATION Administration [0..1]
    - RXA Pharmacy/treatment administration [1..*]
    - RXR Pharmacy/treatment route [1..1]