RxNorm Semantic Concepts Index - 281

What is RxNorm?

RxNorm is a system developed and maintained by the National Library of Medicine (NLM). RxNorm is a normalized naming system for generic and branded drugs. RxNorm is also a tool that supports interoperability between different drug terminologies and other naming systems.

The following table is a complete listing of RxNorm concepts whose unique RxCUI identifier starts with "281".

RxCUINameTerm TypeTerm Type DescriptionIs Prescribable?
RxCUI: 281Aciclovir-containing productSynonym (SY)Synonym of another TTY, given for clarity. YES
RxCUI: 281Aciclovir-containing productFull form of descriptor (FN) YES
RxCUI: 281Aciclovir-containing productSynonym (SY)Synonym of another TTY, given for clarity. YES
RxCUI: 281Aciclovir-containing productIngredient (IN)A compound or moiety that gives the drug its distinctive clinical properties. Ingredients generally use the United States Adopted Name (USAN). YES
RxCUI: 281Aciclovir-containing productDesignated preferred name (PT) YES
RxCUI: 281Aciclovir-containing productDesignated preferred name (PT) YES
RxCUI: 281Aciclovir-containing productFull form of descriptor (FN) YES
RxCUI: 28116kamala extractIngredient (IN)A compound or moiety that gives the drug its distinctive clinical properties. Ingredients generally use the United States Adopted Name (USAN). NO
RxCUI: 28118Kanamycin 6'-acetyltransferaseDesignated preferred name (PT) NO
RxCUI: 28118Kanamycin 6'-acetyltransferaseFull form of descriptor (FN) NO
RxCUI: 281189Encainide hydrochloridePrecise Ingredient (PIN)A specified form of the ingredient that may or may not be clinically active. Most precise ingredients are salt or isomer forms. NO
RxCUI: 281189Encainide hydrochlorideDesignated preferred name (PT) NO
RxCUI: 281189Encainide hydrochlorideFull form of descriptor (FN) NO
RxCUI: 28119Neomycin-kanamycin phosphotransferaseDesignated preferred name (PT) NO
RxCUI: 28119Neomycin-kanamycin phosphotransferaseFull form of descriptor (FN) NO
RxCUI: 28119Neomycin-kanamycin phosphotransferaseSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 28126KaopectateBrand Name (BN)A proprietary name for a family of products containing a specific active ingredient. NO
RxCUI: 28128K-CarrageenaseDesignated preferred name (PT) NO
RxCUI: 28128K-CarrageenaseFull form of descriptor (FN) NO
RxCUI: 281431Carveol dehydrogenaseDesignated preferred name (PT) NO
RxCUI: 281431Carveol dehydrogenaseFull form of descriptor (FN) NO
RxCUI: 28144emedastineIngredient (IN)A compound or moiety that gives the drug its distinctive clinical properties. Ingredients generally use the United States Adopted Name (USAN). NO
RxCUI: 28144emedastineDesignated preferred name (PT) NO
RxCUI: 28144emedastineFull form of descriptor (FN) NO
RxCUI: 28144emedastineDesignated preferred name (PT) NO
RxCUI: 28144emedastineFull form of descriptor (FN) NO
RxCUI: 2815Contraceptive agentDesignated preferred name (PT) NO
RxCUI: 2815Contraceptive agentFull form of descriptor (FN) NO
RxCUI: 281540Alpha actininDesignated preferred name (PT) NO
RxCUI: 281540Alpha actininFull form of descriptor (FN) NO
RxCUI: 281544MustargenBrand Name (BN)A proprietary name for a family of products containing a specific active ingredient. NO
RxCUI: 281554FragminBrand Name (BN)A proprietary name for a family of products containing a specific active ingredient. YES
RxCUI: 281600Substance with phosphorylase mechanism of actionDesignated preferred name (PT) NO
RxCUI: 281600Substance with phosphorylase mechanism of actionSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 281600Substance with phosphorylase mechanism of actionFull form of descriptor (FN) NO
RxCUI: 281611EnkaidBrand Name (BN)A proprietary name for a family of products containing a specific active ingredient. NO
RxCUI: 281613Android-25Brand Name (BN)A proprietary name for a family of products containing a specific active ingredient. NO
RxCUI: 281615TestredBrand Name (BN)A proprietary name for a family of products containing a specific active ingredient. YES
RxCUI: 281616VirilonBrand Name (BN)A proprietary name for a family of products containing a specific active ingredient. NO
RxCUI: 28165keracyaninIngredient (IN)A compound or moiety that gives the drug its distinctive clinical properties. Ingredients generally use the United States Adopted Name (USAN). NO
RxCUI: 28166KeralytBrand Name (BN)A proprietary name for a family of products containing a specific active ingredient. YES
RxCUI: 28167KerasinDesignated preferred name (PT) NO
RxCUI: 28167KerasinFull form of descriptor (FN) NO
RxCUI: 281674MolipaxinBrand Name (BN)A proprietary name for a family of products containing a specific active ingredient. NO
RxCUI: 281678saccharin sodiumPrecise Ingredient (PIN)A specified form of the ingredient that may or may not be clinically active. Most precise ingredients are salt or isomer forms. YES
RxCUI: 28169Keratan sulfotransferaseDesignated preferred name (PT) NO
RxCUI: 28169Keratan sulfotransferaseFull form of descriptor (FN) NO
RxCUI: 28169Keratan sulfotransferaseBritish synonym (SYGB)British synonym of another TTY, given for clarity. NO
RxCUI: 28170Keratan-sulfate endo-1,4-beta-galactosidaseDesignated preferred name (PT) NO
RxCUI: 28170Keratan-sulfate endo-1,4-beta-galactosidaseFull form of descriptor (FN) NO
RxCUI: 28170Keratan-sulfate endo-1,4-beta-galactosidaseBritish synonym (SYGB)British synonym of another TTY, given for clarity. NO
RxCUI: 281763ClinitarBrand Name (BN)A proprietary name for a family of products containing a specific active ingredient. NO
RxCUI: 281788HaemaccelBrand Name (BN)A proprietary name for a family of products containing a specific active ingredient. NO
RxCUI: 28181ketazolamIngredient (IN)A compound or moiety that gives the drug its distinctive clinical properties. Ingredients generally use the United States Adopted Name (USAN). NO
RxCUI: 28181ketazolamDesignated preferred name (PT) NO
RxCUI: 28181ketazolamFull form of descriptor (FN) NO
RxCUI: 28181ketazolamDesignated preferred name (PT) NO
RxCUI: 28181ketazolamFull form of descriptor (FN) NO
RxCUI: 28184Ketimine reductaseSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 28184Ketimine reductaseDesignated preferred name (PT) NO
RxCUI: 28184Ketimine reductaseFull form of descriptor (FN) NO
RxCUI: 28187KetobemidoneDesignated preferred name (PT) NO
RxCUI: 28187KetobemidoneFull form of descriptor (FN) NO
RxCUI: 281876Fosfestrol tetrasodiumPrecise Ingredient (PIN)A specified form of the ingredient that may or may not be clinically active. Most precise ingredients are salt or isomer forms. NO
RxCUI: 281876Fosfestrol tetrasodiumDesignated preferred name (PT) NO
RxCUI: 281876Fosfestrol tetrasodiumFull form of descriptor (FN) NO
RxCUI: 281883IressaBrand Name (BN)A proprietary name for a family of products containing a specific active ingredient. YES
RxCUI: 281890strontium-89 chloridePrecise Ingredient (PIN)A specified form of the ingredient that may or may not be clinically active. Most precise ingredients are salt or isomer forms. YES
RxCUI: 281898DifolatanSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 281901Valethamate bromideDesignated preferred name (PT) NO
RxCUI: 281901Valethamate bromideFull form of descriptor (FN) NO
RxCUI: 28192KetohexokinaseDesignated preferred name (PT) NO
RxCUI: 28192KetohexokinaseFull form of descriptor (FN) NO
RxCUI: 28194Dihydroxyisovalerate dehydrogenase (isomerizing)Synonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 28194Dihydroxyisovalerate dehydrogenase (isomerizing)British synonym (SYGB)British synonym of another TTY, given for clarity. NO
RxCUI: 28194Dihydroxyisovalerate dehydrogenase (isomerizing)Synonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 28194Dihydroxyisovalerate dehydrogenase (isomerizing)Designated preferred name (PT) NO
RxCUI: 28194Dihydroxyisovalerate dehydrogenase (isomerizing)Full form of descriptor (FN) NO
RxCUI: 281941BisolvonBrand Name (BN)A proprietary name for a family of products containing a specific active ingredient. NO
RxCUI: 281942Cefalexin hydrochlorideSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 281942Cefalexin hydrochlorideFull form of descriptor (FN) NO
RxCUI: 281942Cefalexin hydrochloridePrecise Ingredient (PIN)A specified form of the ingredient that may or may not be clinically active. Most precise ingredients are salt or isomer forms. NO
RxCUI: 281942Cefalexin hydrochlorideDesignated preferred name (PT) NO
RxCUI: 281964NolvadexBrand Name (BN)A proprietary name for a family of products containing a specific active ingredient. YES
RxCUI: 28198kebuzoneIngredient (IN)A compound or moiety that gives the drug its distinctive clinical properties. Ingredients generally use the United States Adopted Name (USAN). NO
RxCUI: 28199ketoprofen lysinePrecise Ingredient (PIN)A specified form of the ingredient that may or may not be clinically active. Most precise ingredients are salt or isomer forms. NO