documentation:vocabulary:icd9cm
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documentation:vocabulary:icd9cm [2015/06/14 06:26] cgreich |
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| ==== Overview ==== | ==== Overview ==== | ||
| - | ICD9CM is a coding system in the USA, which is based on the WHO ICD9 coding system but has multiple additions and modifications. | + | ICD9CM, usually spelled "ICD-9-CM", is a coding system in the USA, which is based on the WHO ICD9 coding system but has multiple additions and modifications. |
| ==== Transformation ===== | ==== Transformation ===== | ||
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| ==== Hierarchy ==== | ==== Hierarchy ==== | ||
| - | ICD9CM Concepts are not Standard Concepts and therefore do not participate in the Hierarchy of the OMOP Standardized Vocabularies. However, the relationships between corresponding 3, 4 and 5-character Concepts exist as a Concept Relationship (see above). | + | ICD9CM Concepts are non-Standard Concepts and therefore do not participate in the hierarchy of the OMOP Standardized Vocabularies CONCEPT_ANCESTOR table. However, the relationships between corresponding 3, 4 and 5-character Concepts exist as Concept Relationships in the CONCEPT_RELATIONSHIP table (see above). |
documentation/vocabulary/icd9cm.txt ยท Last modified: 2016/06/04 23:16 by cgreich
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