HL7 Version 2.1 Message Library Structure

HL7_21_ADT_A01 

Admit/Visit Notification 

HL7_21_ADT_A02 

Transfer a Patient 

HL7_21_ADT_A03 

Discharge/End Visit 

HL7_21_ADT_A04 

Register a Patient 

HL7_21_ADT_A05 

Pre-Admit a Patient 

HL7_21_ADT_A06 

Change an Outpatient to an Inpatient 

HL7_21_ADT_A07 

Change an Inpatient to an Outpatient 

HL7_21_ADT_A08 

Update Patient Information 

HL7_21_ADT_A09 

Patient Departing - Tracking 

HL7_21_ADT_A10 

Patient Arriving - Tracking 

HL7_21_ADT_A11 

Cancel Admit/Visit Notification 

HL7_21_ADT_A12 

Cancel Transfer 

HL7_21_ADT_A13 

Cancel Discharge/End Visit 

HL7_21_ADT_A14 

Pending Admit 

HL7_21_ADT_A15 

Pending Transfer 

HL7_21_ADT_A16 

Pending Discharge 

HL7_21_ADT_A17 

Swap Patients 

HL7_21_ADT_A18 

Merge Patient Information 

HL7_21_ADT_A20 

Bed Status Update 

HL7_21_ADT_A21 

Patient Goes on a Leave of Absence 

HL7_21_ADT_A22 

Patient Returns from a Leave of Absence 

HL7_21_ADT_A23 

Delete a Patient Record 

HL7_21_ADT_A24 

Link Patient Information 

HL7_21_BAR_P01 

Add Patient Account 

HL7_21_BAR_P02 

Purge Patient Accounts 

HL7_21_BLG 

Segment Message Library 

HL7_21_DFT_P03 

Post Detail Financial Transactions 

HL7_21_DG1 

Segment Message Library 

HL7_21_DSC 

Segment Message Library 

HL7_21_DSP 

Segment Message Library 

HL7_21_DSR_Q01 

Segment Message Library 

HL7_21_DSR_Q03 

Deferred Response to a Query 

HL7_21_ERR 

Segment Message Library 

HL7_21_EVN 

Segment Message Library 

HL7_21_FT1 

Segment Message Library 

HL7_21_GT1 

Segment Message Library 

HL7_21_IN1 

Segment Message Library 

HL7_21_MCF 

Segment Message Library 

HL7_21_MRG 

Segment Message Library 

HL7_21_MSA 

Segment Message Library 

HL7_21_MSH 

Segment Message Library 

HL7_21_NK1 

Segment Message Library 

HL7_21_NPU 

Segment Message Library 

HL7_21_NTE 

Segment Message Library 

HL7_21_OBR 

Segment Message Library 

HL7_21_OBX 

Segment Message Library 

HL7_21_ORC 

Segment Message Library 

HL7_21_ORM_O01 

Pharmacy/Treatment Order Message 

HL7_21_ORO 

Segment Message Library 

HL7_21_ORR_O02 

General Order Response Message Response to any ORM HL7_21_ORU_R01 Unsolicited Transmission of an Observation Message 

HL7_21_ORU_R03 

Unsolicited Transmission of an Observation Message 

HL7_21_PID 

Segment Message Library 

HL7_21_PR1 

Segment Message Library 

HL7_21_PV1 

Segment Message Library 

HL7_21_QRD 

Segment Message Library 

HL7_21_QRF 

Segment Message Library 

HL7_21_QRY_A19 

Patient Query 

HL7_21_QRY_Q01 

Query Sent for Immediate Response 

HL7_21_QRY_Q02 

Query Sent for Deferred Response 

HL7_21_RX1 

Segment Message Library 

HL7_21_UB1 

Segment Message Library 

HL7_21_UDM_Q05 

Unsolicited Display Update Message 

HL7_21_URD 

Segment Message Library  

HL7_21_URS 

Segment Message Library