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Expressions, Post-coordination resources
These expressions have been authored using the following resources and validated against the April 2024 Release of SNOMED International;
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Examples of post-coordination
Below are examples of the common types of expressions generated. Whilst the process is essentially manual, by using a structured and repeatable approach, expressions can be produced which
pass validation and are consistent and clinically valid. The supporting resources indicates above should be used but combined with a wide knowledge of the topic.
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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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