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- SNOMED target, so that if a direct map to a SNOMED concept was not available, an expression was constructed using Compositional Grammar and post-coordination. The map produced would then be used during configuration of healthcare systems or in an expression repository.
Above is an illustration of the structure and components of an expression, including the focus concept, attributes and attribute value.
HPO to SNOMED Cross Mapping - the results
Based on the HPO release of August 2024, and the SNOMED International release of April 2024, the mapping results are given below.
Note that 86% of the HPO terms are mappable either directly (42%) or
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Examples of post-coordination
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HPO concept
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SNOMED post-coordinated expression
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1
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HP:0001525 Severe failure to thrive
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54840006 |Failure to thrive (disorder)|:
{246112005 |Severity (attribute)|=24484000 |Severe (severity modifier) (qualifier value)|}
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approx (45%)
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2
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HP:0004363 Abnormal circulating calcium concentration.
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1217344005 |Finding of blood substance level (finding)|:
{363713009 |Has interpretation (attribute)| =394844007 |Outside reference range (qualifier value)|,
363714003 |Interprets (attribute)| =312472004 |Blood calcium measurement (procedure)|}
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approx 30%
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3
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HP:6000554 Positive bloodstream plasmodium falciparum nucleic acid pathogen test.
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434156008 |Infectious agent in bloodstream (finding)|:
{363713009 |Has interpretation (attribute)| = 10828004 |Positive (qualifier value)|, 363714003 |Interprets (attribute)| =
(398545005 |Nucleic acid assay (procedure)|:
246093002 |Component (attribute)| =708396002 |Deoxyribonucleic acid of Plasmodium falciparum (substance)|,
370129005 |Measurement method (attribute)|=444077007 |Analysis using reverse transcriptase polymerase chain reaction technique (procedure)|)}
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