documentation:vocabulary:icd10pcs
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documentation:vocabulary:icd10pcs [2019/04/23 13:03] ekorchmar |
documentation:vocabulary:icd10pcs [2019/04/24 10:57] ekorchmar |
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| === Hierarchy and standard concepts === | === Hierarchy and standard concepts === | ||
| - | ICD10PCS concepts have up to 7 levels of hierarchy with transition to next level of being represented by addition of one alphanumeric character to parent code. Only the leaf-level concepts are allowed to being used in clinical setting and are Standard concepts. Hierarchical levels 1 through 6 are always Classification concepts. | + | ICD10PCS concepts have up to 7 levels of hierarchy with the transition to each next level being represented by addition of one alphanumeric character to the parent concept's code. Only leaf-level concepts are allowed to be used in clinical setting and are Standard concepts. Hierarchical levels 1 through 6 are always Classification concepts. |
| === Concept Classes === | === Concept Classes === | ||
| - | Classes for concepts in ICD10PCS vocabulary are either 'ICD10PCS' for leaf-level concepts and 'ICD10PCS hierarchy' for others. | + | Classes for concepts in the ICD10PCS vocabulary are either 'ICD10PCS' for leaf-level concepts or 'ICD10PCS hierarchy' for preceding hierarchical levels. |
| === Domains === | === Domains === | ||
| - | Currently all concepts from ICD10PCS vocabulary belong to Procedure domain. Some of them may relate to taking Measurements or administering Drugs in clinical setting, but rely on other coding systems to specify important details (results of measurements or exact drug and dose that was administered). ICD10PCS concepts themselves still represent only the nature of actions performed by provider. | + | Currently all concepts from the ICD10PCS Vocabulary belong to the Procedure domain. Some of them may relate to taking Measurements or administering Drugs in a clinical setting, but rely on other coding systems to specify important details (results of measurements or exact drug and dose that was administered). ICD10PCS concepts themselves still represent only the nature of actions performed by provider. |
| === External relations to SNOMED CT === | === External relations to SNOMED CT === | ||
| - | Leaf-level ICD10PCS concepts have custom relationships to SNOMED CT concepts. ICD10PCS procedures have attribute-value relationships built following SNOMED CT conventions to various SNOMED CT concepts that serve as attributes for concepts in procedure subhierarchy. Following the attribute assignment, multiple hierarchical relationships are built to SNOMED concepts, closest in meaning to ICD10PCS concepts themselves. | + | Leaf-level ICD10PCS concepts have custom relationships to SNOMED CT concepts. ICD10PCS procedures have attribute-value relationships built following SNOMED CT conventions to various SNOMED CT concepts that serve as attributes for concepts in procedure subhierarchy. Following the attribute assignment, hierarchical relationships are built to multiple SNOMED concepts, closest in meaning to ICD10PCS concepts themselves. |
| Due to differences in concept building between two vocabularies, complete match on attributes and meaning is never guaranteed even when concept names sound alike. Because of this, equivalence mappings are never built and all concepts remain Standard. | Due to differences in concept building between two vocabularies, complete match on attributes and meaning is never guaranteed even when concept names sound alike. Because of this, equivalence mappings are never built and all concepts remain Standard. | ||
| === Hierarchy === | === Hierarchy === | ||
| - | Internal ICD10PCS hierarchy is straightforward with each concept always having one immediate ancestor. Leaf-level concepts also have multiple hierarchical relations to SNOMED CT concepts from procedure subhierarchy as terminal descendants. | + | Internal ICD10PCS hierarchy is straightforward with each concept always having only one immediate ancestor. Leaf-level concepts also have multiple hierarchical relations to SNOMED CT concepts from procedure subhierarchy as terminal descendants. Both hierarchical trees exist in parallel. |
documentation/vocabulary/icd10pcs.txt ยท Last modified: 2020/07/24 09:48 by ekorchmar
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