Information Systems in Healthcare Organizations

Health care organisations run on information systems: electronic health records, departmental systems for laboratory, pharmacy, and radiology, administrative and billing systems, and the networks that link them. This entry describes how these systems are structured, integrated, and adopted within hospitals and health systems, and why their organisation shapes the quality and efficiency of care.

Definition

A health information system is the organised combination of people, processes, and information technology that collects, stores, processes, communicates, and presents data to support the care, management, and planning functions of a health care organisation; the hospital information system is the integrated form spanning a hospital's clinical and administrative functions.

Scope

The topic covers the types and architecture of health information systems, the idea of an integrated organisation-wide system, patterns of adoption such as electronic health record uptake, and the organisational context in which these systems operate. It is reference material on system organisation and does not provide procurement, configuration, or clinical guidance.

Core questions

• What types of information systems operate within a health care organisation?
• How are departmental systems integrated into an organisation-wide whole?
• How widely have core systems such as electronic health records been adopted?
• How does the organisational context shape system design and use?

Key concepts

• Hospital information system
• Electronic health record
• Departmental systems (laboratory, pharmacy, radiology)
• Administrative and financial systems
• Integration and interoperability across systems
• Adoption and meaningful use

Clinical relevance

The way information systems are organised affects whether the right data reach clinicians at the right time and how smoothly care processes run. This entry describes that organisation as reference material; it does not direct how any specific system should be selected, configured, or used clinically.

Evidence & guidelines

Empirical studies track the spread of these systems, for example documenting continued growth in electronic health record adoption across US hospitals alongside persistent challenges (Adler-Milstein et al., 2015); historical and textbook accounts describe how health information systems evolved and are structured (Haux, 2006; Collen & Ball, 2015; Shortliffe & Cimino, 2014).

History

Hospital information systems were among the first large applications of computing in medicine, beginning in the 1960s with administrative and then clinical modules, and growing over decades into integrated enterprise systems. Adoption accelerated in many countries in the 2000s and 2010s under policy incentives, with electronic health records becoming near-universal in some hospital sectors while interoperability remained a challenge (Collen & Ball, 2015; Haux, 2006; Adler-Milstein et al., 2015).

Debates

Best-of-breed versus integrated single-vendor systems

Organisations weigh assembling specialised departmental systems against adopting one integrated suite; the former can optimise individual functions but complicates integration, while the latter eases interoperability at the cost of flexibility, and the trade-off remains contested.

Key figures

• Reinhold Haux
• Julia Adler-Milstein
• Morris F. Collen

Seminal works

• haux-2006
• adler-milstein-2015

Frequently asked questions

What is a hospital information system?

It is the integrated set of computerised systems that support a hospital's clinical and administrative functions, including electronic records, departmental systems, and the networks and data flows that connect them.

Why is interoperability such a recurring concern?

Because health care organisations typically run many systems from different eras and vendors, getting them to exchange and correctly interpret data remains technically and organisationally difficult even as adoption of individual systems becomes widespread.