HLN Blogs
Read our insights about what is going on in Health IT

HLN updates COVID-19 vaccine support in its Award Winning ICE Open Source Immunization Forecaster
On September 21, 2021, HLN released a new version (v1.30.1) of the Immunization Calculation Engine (ICE) in support of updates to the COVID-19 vaccine. ICE is a state-of-the-art open source software system that provides clinical decision support for immunizations for use in Immunization Information Systems (IIS), Electronic Health Record (EHR), and Personal Health Record (PHR) Systems.
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Implementing Vaccine Credentials Across State Lines
The IIS community is making strides towards enabling a more transparent exchange of information between IIS. This is to primarily ensure that vaccinations received by an individual in a location other than where they live will find their way to the IIS in the individual’s home jurisdiction.
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HLN Attends the AIRA 2021 National Meeting
HLN’s Noam Arzt attended the AIRA 2021 National Meeting held on August 3-5 in Portland, Oregon. Around 175 individuals attended in person supplemented by nearly 200 remote attendees. Throughout the three-day event, AIRA provided interesting speakers, and engaging panels on a variety of topics.
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The Challenge of Documenting COVID Vaccinations from Overseas
Managing and documenting vaccination events for US residents who received COVID-19 vaccinations outside of the US is challenging and may not get easier anytime soon.
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CMS IPPS Proposed Rule Could Benefit Public Health
The Centers for Medicare and Medicaid Services (CMS) released a proposed revision to the Medicare hospital inpatient prospective payment systems (IPPS) for operating and capital-related costs of acute care hospitals.
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HLN To Present at AIRA 2021 and HIMSS21 Digital Symposium
HLN will be presenting at the following conferences in August 2021:
1. American Immunization Registry Association (AIRA) 2021 National Meeting – August 3-5
2. HIMSS21 Public Health Informatics Digital Symposium – August 9-13