Skip to end of metadata
Go to start of metadata


Precoordinated expressions consist of a single concept identifier, followed optionally by any term that is associated with that concept . While the use of a term is not mandated, it is often preferable to include preferred term from an appropriate dialect within the expressions to improve the human-readability of the expression. For example:

As mentioned, the syntax does not require a term to be used with each concept identifier, so the following is also a valid expression :
    73211009


Feedback