| rx_allconcepts | Get RxNorm Concept Information | 
| rx_allndcs | Get the National Drug Codes (NDCs) for the RxNorm concept. | 
| rx_allProperties | Get properties for a specified RxNorm concept. | 
| rx_allrelated | Get all the related RxNorm concepts for a given RxNorm... | 
| rx_approximateTerm | Get RxNorm Approximate Terms | 
| rx_brands | Get brands that contain all specified ingredients. | 
| rx_displaynames | Get RxNav names | 
| rx_drugs | Get Drug Information | 
| rx_filter | Determine if a property exists for a concept | 
| rx_idtypes | Get ID Types in RxNorm | 
| rx_ndcproperties | Get the National Drug Code (NDC) properties. | 
| rx_ndcs | Get the active National Drug Codes (NDCs) for the RxNorm... | 
| rx_ndcstatus | Get the status for a National Drug Code (NDC). | 
| RxNormR | An R Interface To The RxNorm API | 
| rx_propCategories | Get property categories. | 
| rx_properties | Get the RxNorm concept properties. | 
| rx_property | Get the property values associated with the property name. | 
| rx_propnames | Get property names. | 
| rx_related_rela | Get the related RxNorm identifiers of an RxNorm concept by... | 
| rx_related_tty | Get the related RxNorm identifiers of an RxNorm concept by... | 
| rx_relatypes | Get relationship names. | 
| rx_rxcui_idtype | Get RxCUIs from another vocabulary identifier. | 
| rx_rxcui_name | Get RxCUIs for a ame in RxNorm. | 
| rx_sourcetypes | Get abbreviated source types. | 
| rx_spellingsuggestions | Get spelling suggestions for a given term. | 
| rx_status | Get the status for a concept. | 
| rx_termtypes | Get RxNorm Term Types | 
| rx_version | Get Version of API | 
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