Hl7 Message Standard

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Health Level Seven

Messaging Standard


Health Level Seven

• Data standard for an healthcare organization

• The seventh layer (application layer) of the communication systems

• Provides standards for interoperability to exchange health data

• Message consists of segments which allows health information systems to talk to one another


Benefits of HL7


HL 7 Message Types..

Admission, Discharge and Transfer– EVN - event type segment– PID - patient identification segment– PV1 - patient visit segment– PV2 - patient visit - additional information segment– NK1 - next of kin / associated parties segment– AL1 - patient allergy information segment– NPU - bed status update segment– MRG - merge patient information segment– PD1 - patient additional demographic segment– DB1 - Disability segment

Order Entry– ORC - common order segment

– BLG - billing segment - event type segment

Observations reporting– OBR - observation request segment

– OBX - observation/result segment


HL 7 Message Types..• Financial management

– FT1 - financial transaction segment– DG1 - diagnosis segment– DRG - diagnosis related group segment– PR1 - procedures segment– GT1 - guarantor segment– IN1 - insurance segment– IN2 - insurance additional information segment– IN3 - insurance additional information, certification segment– ACC - accident segment– UB1 - UB82 data segment– UB2 - UB92 data segment

Patient referral– RF1 - referral information segment– AUT - authorization information segment– PRD - provider data segment– CTD - contact data segment

Medical records/information management– TXA - transcription document header segment– OBX - observation segment usage


HL 7 Message Types

Master files– MFI - master file identification segment– MFE - master file entry segment– MFA - master file acknowledgment segment

Patient care– GOL - goal detail segment– PRB - problem detail segment– ROL - role segment– PTH - pathway segment– VAR - variance segment

Scheduling– ARQ - appointment request segment– SCH - schedule activity information segment– RGS - resource group segment– AIS - appointment information - service segment– AIG - appointment information - general resource segment– AIL - appointment information - location resource segment– AIP - appointment information - personnel resource segment– APR - appointment preferences segment


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Hl7 Message Standard

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