Neighborhood: HL7 v2

ACK Error Reporting (ERR-5)

Refines how errors are communicated in HL7 v2 ACK messages, specifically using the ERR-5 field. This has been incorporated into existing guidance through the...

Acknowledgements (ACK)

Defines how IIS confirm receipt and processing of HL7 v2 VXU messages. This is a core and widely implemented capability, forming the backbone of IIS data exc...

Antiviral Tracking

Explores whether IIS could capture and manage data related to antiviral medications alongside immunizations. This is not a core IIS function, though at least...

CDC HL7 v2 Guide (Release 1.5)

Refers to the CDC-published HL7 v2.5.1 Implementation Guide used nationally for IIS data exchange. It standardizes VXU/ACK and QBP/RSP interactions across ju...

CDC HL7 v2 Guide (Release 2)

Refers to the next version of the CDC HL7 v2.5.1 Implementation Guide, developed through the IGEG process. This will update and refine national standards for...

CDC WSDL Authentication

Explores improving authentication for the CDC WSDL interface used by IIS for HL7 v2 exchange. Current implementations often rely on long-lived shared secrets...

CDS Contextual Conditions

Expands immunization decision support by including additional patient contextual conditions such as medical conditions, occupation, or risk factors. This sup...

CDS Response Improvements (RSP)

Focuses on improving how immunization evaluations and recommendations are conveyed in HL7 v2 RSP messages. This includes tighter guidance and more consistent...

CDS Schedule Source

Supports communicating which schedule authority (such as ACIP or others) produced a given immunization recommendation. This allows IIS to return recommendati...

CDS Shared Decision Support (SCDM)

Supports indicating when a vaccine recommendation is classified as Shared Clinical Decision Making by the schedule authority. This allows IIS responses to re...

Disability Data Collection

Explores whether IIS should collect and manage disability-related information as part of immunization records. This is not a core IIS function but may be req...

Estimated Vaccination Dates

When obtaining historical information from patients about when they received vaccines, sometimes the exact dates of the vaccine administration aren't known. ...

HL7 Immunization User Group

The HL7 Immunization User Group provides education, implementation support, and a forum for discussion for immunization information system (IIS), electronic ...

HL7 v2 to FHIR Translation

Translation of HL7 v2.5.1 to FHIR and/or FHIR to v2.5.1.

HL7 v2.5.1 School Roster Reporting

HL7 v2.5.1 messaging between a school information system and an IIS, to support the exchange of student roster information.

IIP Collaborative

The Immunization Integration Program (IIP) strives to improve the way immunization data is shared, managed, and used to promote public health. The IIP is a p...

IIS-to-IIS Exchange

Describes data exchange between IIS jurisdictions to support patient mobility and record consolidation. This is standardized through a companion guide and im...

Insurance

IIS do not typically collect Insurance information, but some IIS have explored storing insurance information via HL7 on Provider request.

Interface Security

Explores the security architecture used by immunization information systems and their external interfaces for HL7 v2, FHIR, SOAP, REST, and other forms of he...

LOINC Usage in OBX

Defines how LOINC codes are used within HL7 v2 OBX segments for immunization data. This supports consistent representation of observations such as vaccine ty...

Multi-Jurisdictional Query

Allow providers who operate across multiple jurisidictions (e.g. VHA or DOD) to query more than one IIS at the same time.

NDC Transition to 12-Digit Format

FDA is transitioning NDC from 10-digit to 12-digit. It's a major transformation that will take years to complete.

Newborn Identity Handling

Addresses challenges with temporary or changing names for newborn patients in IIS. This impacts patient matching and record accuracy. It is typically handled...

Patient Record Matching

General topic about improving matching, including how patients are identified and how these identities are resolved between systems during interoperability.

Patient Record Matching Integration

Addresses how IIS integrate with or standardize patient matching processes. All IIS perform matching, but there is no common standard for how matching servic...

Patient Updates (ADT)

Uses HL7 v2 ADT messages to communicate patient demographic updates to IIS. This can improve data quality by keeping patient records current without requirin...

Pharmacy Integration

Supports reporting of vaccinations from pharmacies to IIS and potential bidirectional exchange. Pharmacies are a major source of immunization data, especiall...

Preferred Name (Patient)

Provides guidance on transmitting a patient’s preferred name alongside their legal name in HL7 v2 messages. This supports more accurate and respectful identi...

Priority Group Classification

Supports identifying patients as part of defined priority groups, such as those used during pandemic response. This was implemented by some IIS during COVID-...

Provider Identifier

Significant resources are needed for every site involved in the immunization ecosystem to identify themselves as an immunizing provider for the site. Current...

Query by Parameter (QBP)

Query by Parameter (QBP) allows for querying systems to retrieve immunization histories, immunization evaluations, and immunization recommendations.

Race/Ethnicity

Recording of race and ethnicity in the US is going through a transition. Some changes to HL7 v2 may be needed.

Serology Reporting

Explores capturing and exchanging serology (antibody) test results related to immunization status. This was discussed during the COVID-19 pandemic but was no...

Vaccine Exemptions and Deferrals

Explores capturing and communicating vaccine exemptions or deferrals within IIS. This became more visible during COVID-19 but is not consistently managed acr...