SNOMED CT is considered to be the most comprehensive, multilingual clinical healthcare terminology in the world. The primary purpose of SNOMED CT is to encode the compositional data analysis theory and applications pdf that are used in health information and to support the effective clinical recording of data with the aim of improving patient care. SNOMED CT comprehensive coverage includes: clinical findings, symptoms, diagnoses, procedures, body structures, organisms and other etiologies, substances, pharmaceuticals, devices and specimens.
SNOMED CT is maintained and distributed by SNOMED International, an international non-profit standards development organization, located in London, UK. SNOMED CT provides for consistent information interchange and is fundamental to an interoperable electronic health record. It provides a consistent means to index, store, retrieve, and aggregate clinical data across specialties and sites of care. It also helps in organizing the content of electronic health records systems by reducing the variability in the way data are captured, encoded and used for clinical care of patients and research. SNOMED CT can be used to directly record clinical details of individuals in electronic patient records.
It also provides the user with a number of linkages to clinical care pathways, shared care plans and other knowledge resources, in order to facilitate informed decision-making, and to support long-term patient care. The availability of free automatic coding tools and services, which can return a ranked list of SNOMED CT descriptors to encode any clinical report, could help healthcare professionals to navigate the terminology. SNOMED CT is a terminology that can cross-map to other international standards and classifications. Specific language editions are available which augment the international edition and can contain language translations, as well as additional national terms. For example, SNOMED CT-AU, released in December 2009 in Australia, is based on the international version of SNOMED CT, but encompasses words and ideas that are clinically and technically unique to Australia. The final product was released in January 2002.
The historical strength of SNOMED was its coverage of medical specialties. SNOMED RT, with over 120,000 concepts, was designed to serve as a common reference terminology for the aggregation and retrieval of pathology health care data recorded by multiple organizations and individuals. The strength of CTV3 was its terminologies for general practice. CTV3, with 200,000 interrelated concepts, was used for storing structured information about primary care encounters in individual, patient-based records. United States Department of Health and Human Services, entered into an agreement with the College of American Pathologists to make SNOMED CT available to U.
Membership consists of a number of the world’s leading e-health countries and territories, including: Australia, Belgium, Brunei, Canada, Czech Republic, Chile, Denmark, Estonia, Hong Kong, Iceland, India, Ireland, Israel, Lithuania, Malaysia, Malta, Netherlands, New Zealand, Norway, Poland, Portugal, Singapore, Slovak Republic, Republic of Slovenia, Spain, Sweden, Switzerland, United Kingdom, United States and Uruguay. SNOMED CT is a multinational and multilingual terminology, which can manage different languages and dialects. SNOMED CT is currently available in American English, British English, Spanish, Danish and Swedish, with other translations under way or nearly completed in French and Dutch. Concepts or Descriptions into sets, including reference sets and cross-maps to other classifications and standards. SNOMED CT “Concepts” are representational units that categorize all the things that characterize health care processes and need to be recorded therein.
In 2011, SNOMED CT included more than 311,000 concepts, which are uniquely identified by a concept ID, e. The taxonomic structure allows data to be recorded and later accessed at different levels of aggregation. Each Concept has exactly one FSN, which is unique across all of SNOMED CT. It has, in addition, exactly one PT, which has been decided by a group of clinicians to be the most common way of expressing the meaning of the concept. It may have zero to many Synonyms.
Synonyms are additional terms and phrases used to refer to this concept. They do not have to be unique or unambiguous. SD stands for sufficiently defined. Relation relates classes in terms of inclusion of their members. This means that each and every individual disorder for which all definitional criteria are met can be classified as an instance of Viral upper respiratory tract infection. The logic will be extended in the near future to include General Concept Inclusion Axioms. For understanding the modelling, it is also import to look at the stated view of a concept versus the inferred view of the concept.