Hl7 Overview
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Hl7 Overview

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HL7 is the widely used protocol in Healthcare networks.

HL7 is the widely used protocol in Healthcare networks.

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  • ADT-A28 and A31: Patient’s demographics record is added (A28) or updated (A31) in the external systemA04, A01: For a new visit; A08: Update the visit
  • HL7 Version 2.x; whereas 3.0 is under development

Hl7 Overview Hl7 Overview Presentation Transcript

  • WHAT IS HL7 HL7, which is an abbreviation of Health Level Seven, is a standard for exchanging information between medical applications. This standard defines a format for the transmission of healthrelated information. Examples of HL7 messages include patient records, laboratory records and billing information.
  • WHAT IS AN HL7 MESSAGE An HL7 message consists of a group of segments in a defined sequence, with these segments (or groups of segments) being optional, required, and/or repeatable. • Message Type • Trigger Event Example: ADT-A01
  • SEGMENTS Message Header (MSH): Segment which contains the message type, version and other important information. PID: Patient Identification data PV1: Patient Visit IN1: Insurance Segment AL1: Allergy information DG1: Diagnosis information
  • MESSAGE DELIMITERS The MSH also defines the delimiters used in the message. • |: Segment delimiter • ^: Component separator • ~: Repetition separator • : Escape character • &: Sub-component separator
  • EXAMPLE
  • SOME STANDARDS USED FOR COMMUNICATION IN HEALTHCARE • Accredited Standards Committee X12 — ASC-X12 • American Dental Association — ADA o ADA Joint Project Statement • American Society for Testing Materials — ASTM • CEN/TC 251 • Digital Imaging and Communication In Medicine — DICOM • eHealth • Institute for Electrical and Electronic Engineers — IEEE • Integrating the Healthcare Enterprise — IHE • National Council for Prescription Drug Program — NCPDP
  • Image Courtesy: www.vascularbilling.com Image Courtesy: http://www.modernanalyst.com
  • COMPLETE WORKFLOW FROM PATIENT VISIT TO PROCESSING CLAIMS HL7 Communication Image Courtesy: http://www.fastemc.com/