data sets

one that exists as part of the coded set.

defined after the fact. exp. coding burn between 3rd and 4th toes on L foot is generated by the data by combining terms form different axeses

• ICD used mostly for diagnoses
• CMS requires its use on billing claims CM-clinical modification defined by US

• controled vocabularies - way to oganize knowledge for subsequent retreival, mandate the use of predefined authurised terms.
• .icd 9 and 10-internation classification of disease, created by WHO
• .AMA common procedural termionlogy
• .dignostic related group-used by CMS
• .NCD national drug codes-FDA
• .RxNorm
• .Loninc

semantic interoperability is still unattainable

group together diagnoses and procedures that are similar resources users for billing purposes

deals w/ ?'s concerning what entities exist or can be said to exist. how entities can be grouped, related w/in hierarchy and subdivided accord. to similarities and differences.

• practice and science of clasification
• Typically arranged in a hierarchical structure( parent-child relationships)

groupijng objects into a class or clases according to some common relatios or attributes. exp icd9 or icd 10, icpc

• a system of names or terms used in a prticular science or art consistent, systematic method of naming to denote classifications and avoid ambiguities
• names of anatomical structures or organs of the body are usuallu referred to as nomenclature. EXP-SNOMED..clinical healthcare teminology