Open industry specifications, models
and software for e-health
openEHR components

Base Model (BASE) Component - 1.0.4


Specification Description
STABLE Architecture Overview "Read me first" document for the overall architecture. Provides a summary of the reference, archetype and service models, and describes global semantics.
STABLE ODIN This is the JSON-like notation used to express various sections of ADL archetypes including description, terminology and annotations, and also BMM files.
TRIAL BMM BMM provides a human- and machine-readable / writable format for defining object models. It can be considered a much more compact and readable alternative to XMI.
STABLE P_BMM A human-readable and machine-processable save format for BMM.
TRIAL Expression Language The openEHR Expression Language defines an extensible core model and syntax for specifying expressions for particular purposes elsewhere in openEHR.
STABLE ISO 18308 Conformance Document describing conformance of openEHR architecture to ISO TS 18308, "Requirements for EHR Architectures".


Release Date Description
Release 1.2.0 09-Apr-2021 Release notes
Release 1.1.0 22-Jan-2019 Release notes
Release 1.0.4 14-Jul-2018 Release notes
Release 1.0.3 15-Dec-2015 Release notes
Release 1.0.2 31-Dec-2008 Release notes

Work In Progress

Release Description
Latest Latest specifications of Base Model (BASE) Component | GitHub repo
Release 1.3.0 Issues | Changes

Computable Expressions

Resource Description
openEHR_UML-BASE.mdzip UML file for openEHR Base classes, as MagicDraw 19. Contains UML 2.5 standard XMI file.