documentation:vocabulary:cpt4
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documentation:vocabulary:cpt4 [2015/09/11 00:25] cgreich |
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| - | ===== CPT-4 ===== | + | ===== CPT4 ===== |
| CPT4 is a coding system for the reimbursement of ambulatory services in the US healthcare system. | CPT4 is a coding system for the reimbursement of ambulatory services in the US healthcare system. | ||
| ==== Sources ==== | ==== Sources ==== | ||
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| Domains are manually assigned to CPT4 Hierarchy Concepts and propagated down to the CPT4 Concepts. | Domains are manually assigned to CPT4 Hierarchy Concepts and propagated down to the CPT4 Concepts. | ||
| - | ==== Relationships ==== | + | ==== Relationships, Hierarchy ==== |
| Relationships are defined within CPT4 and to the following other vocabularies: | Relationships are defined within CPT4 and to the following other vocabularies: | ||
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| CPT4 contributes to the hierarchies of the Procedure, Measurement and Observation Domains. SNOMED provides the higher hierarchical concepts, while CPT4 are connected as descendents all the way down to leaf nodes. | CPT4 contributes to the hierarchies of the Procedure, Measurement and Observation Domains. SNOMED provides the higher hierarchical concepts, while CPT4 are connected as descendents all the way down to leaf nodes. | ||
| - | === Mappings === | + | === Maps === |
| All valid CPT4 codes are Standard Concepts and therefore map to themselves. In addition, there are mappings to RxNorm Drug concepts for Procedure Drugs (see below). | All valid CPT4 codes are Standard Concepts and therefore map to themselves. In addition, there are mappings to RxNorm Drug concepts for Procedure Drugs (see below). | ||
| - | === CPT4 to RxNorm mappings === | + | === CPT4 to RxNorm map === |
| The only mapping relationships CPT4 | The only mapping relationships CPT4 | ||
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| ** Ambiguous CPT4 Procedure Drug Concepts ** | ** Ambiguous CPT4 Procedure Drug Concepts ** | ||
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| The following CPT4 Concepts cannot be unambiguously assigned to RxNorm. The reason is that there is more than one type of Vaccine availabe to immunize against a certain infectious disease, but CPT4 does not distinguish between them. For exampe, for Botulinum Antitoxin, there are human and equine antibodies or sera against the Botulinum Toxin variants A to F, and different combinations of antitoxins are on the market against these variants. | The following CPT4 Concepts cannot be unambiguously assigned to RxNorm. The reason is that there is more than one type of Vaccine availabe to immunize against a certain infectious disease, but CPT4 does not distinguish between them. For exampe, for Botulinum Antitoxin, there are human and equine antibodies or sera against the Botulinum Toxin variants A to F, and different combinations of antitoxins are on the market against these variants. | ||
documentation/vocabulary/cpt4.txt ยท Last modified: 2015/10/06 16:37 by cgreich
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