The LOINC Document Ontology was developed to identify, characterize, and organize documents exchanged between healthcare systems.

Many laboratory test panels include an expert review for overall interpretation as one of the results returned.

In 1970, the (AMA) American Medical Association (AMA) implemented a five-digit code structure (00100-99607) for its Current Procedural Terminology (CPT). However, the codes are not meaningless, random numbers; each section and subsection of CPT are restricted to a subset of the codes, and “grouped” or related appropriately. The nuances of these groupings and special cases are described in this article.

The ampersand character (&) used in normal everyday grammar is shorthand for the word and or in Latin “et”.