Medical terminologies are foundational ontologies used by many ... When a user searches the Web for a medical concept, Medical World Search uses UMLS to include synonyms in the ...
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You might be doing a search on the term ‘stroke’ (cerebral infarction) and end up with documents that teach you about the workings of the two-stroke motorcycle engine. The non-discriminatory free-text method of document retrieval inevitably produces a number of irrelevant leads or noise (Kiley, 1999).
Headings are very important. For example, the same term “schizophrenia” assumes different meanings/implications depending on whether it appears under diagnosis or present/past history or family history headings in an electronic patient record.
Now suppose that a doctor wishes to prescribe a drug that must not be used by anyone having a heart disorder. Because the clinical terminology knows every condition that is a type of heart disorder, it can automatically check the patient’s record to see whether the patient has any of these conditions.
This could not have been achieved with a free text patient record. For instance, Angina is a type of heart disorder, but this could not have been detected in a text-based patient record, where the best that can be achieved is to search for the word "heart" in the text. Nor would it have been possible to search for words "heart OR angina OR coronary OR myocardial OR ... etc.", as there are over 1000 types of heart disorder listed in the Read Codes for example.
Read Codes’ hierarchy of concepts allows all sorts of research questions such as "list all my patients who have eczema, and list these according to the type of eczema that they have." The possibilities are endless...
CamsCoder is a good example of a mapping tool that translates Read CTV3 terms into ICD-10 and OPCS-4 terms and codes.
CamsCoder presents us with a review screen showing the diagnostic and operative procedures entered.
CamsCoder allows the entered statements (which may contain multiple terms and codes) to be re-ordered/deleted using these buttons.
The coder can set the episode coding to be complete when they are happy with it.
The episode’s HRG is displayed here.
CamsCoder automatically validates the information presented. If there are any problems, a message is displayed here explaining what the coder needs to do.
If the coding was invalid clicking on the “Action” button would take the coder through the process of making the episode valid.
The coder now clicks on “OK” to finish this coded episode.
You may download and use to LOINC database browser free of charge from http://www.regenstrief.org/loinc/loinc.htm
MeSH Descriptor Data for Psoriasis, a skin disease.
cf. ICD; remember each coding language or scheme is most suited to particular purpose(s).
Lightweight browser and search engine for the Read Codes clinical thesaurus by Agora.
ICD9 CodeFinder lets you search and browse ICD9 categories and codes. You may download CodeFinder free of charge (298 KB).http://www.winsite.com/info/pc/win95/misc/cfind20.zip/
e-MDs Online ICD-9 Search: http://www.e-mds.com/icd9/index.html