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HL7 Integration for EMR/EHR

Overview

This applies to the integration with any EMR like Epic, Cerner, Velos, etc which can send HL7 messages.

  1. EMR sends HL7 messages (ADT) to OpenSpecimen to add/edit patients on a preconfigured port

  2. OpenSpecimen processes the incoming messages, cleanses, and stores the resulting patient and visit records in the staging table.

  3. When an end-user does a search on MRN, OpenSpecimen searches the staging table and display the registration form with the prefilled patient information. When a match is not found, the registration form is blank/empty.

  4. The records from the staging table are purged after every 90 days. The retention period is configurable.

Messages Supported

Msg

Description

Msg

Description

ADT_A01/ADT_A28

Add patient

ADT_A04/ADT_A08/ADT_A31

Edit patient

ADT_A40

Merge patient

Fields Supported

HL7 Field Code

OpenSpecimen Field Name

HL7 Field Code

OpenSpecimen Field Name

PID.3.1 (first rep)

eMPI

PID.3.1

MRN

PID.3.5

MRN Site

PID.5.1

Last name

PID.5.2

First name

PID.5.3

Middle name

PID.7

Date of birth

PID.8

Gender

PID.10 

Race

PID.19

SSN / UID

PID.22

Ethnicity

PID.29

Death date

PID.30

Vital Status

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