HL7 v2 parser Glossary

`SIU_S21` - Notification of Discontinuation of Service/Resource on Appointment

Segment structure for the SIU_S21 message in HL7 v2.5.1. Cardinality is shown as [min..max]; groups are in bold.

MSH Message Header [1..1]
SCH Schedule Activity Information [1..1]
TQ1 Timing/Quantity [0..*]
NTE Notes and Comments for the SCH [0..*]
PATIENT Patient [0..*]
- PID Patient Identification [1..1]
- PD1 Additional Demographics [0..1]
- PV1 Patient Visit [0..1]
- PV2 Patient Visit - Additional Info [0..1]
- OBX Observation/Result [0..*]
- DG1 Diagnosis [0..*]
RESOURCES Resources [1..*]
- RGS Resource Group Segment [1..1]
- SERVICE Service [0..*]
  - AIS Appointment Information - Service [1..1]
  - NTE Notes and Comments for the AIS [0..*]
- GENERAL_RESOURCE General resource [0..*]
  - AIG Appointment Information - General Resource [1..1]
  - NTE Notes and Comments for the AIG [0..*]
- LOCATION_RESOURCE Location resource [0..*]
  - AIL Appointment Information - Location Resource [1..1]
  - NTE Notes and Comments for the AIL [0..*]
- PERSONNEL_RESOURCE Personnel resource [0..*]
  - AIP Appointment Information - Personnel Resource [1..1]
  - NTE Notes and Comments for the AIP [0..*]