RxNorm Semantic Concepts Index - 516

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 "516".

RxCUINameTerm TypeTerm Type DescriptionIs Prescribable?
RxCUI: 516allobarbitalIngredient (IN)A compound or moiety that gives the drug its distinctive clinical properties. Ingredients generally use the United States Adopted Name (USAN). NO
RxCUI: 516allobarbitalDesignated preferred name (PT) NO
RxCUI: 516allobarbitalFull form of descriptor (FN) NO
RxCUI: 5164HaematoporphyrinSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 5164HaematoporphyrinIngredient (IN)A compound or moiety that gives the drug its distinctive clinical properties. Ingredients generally use the United States Adopted Name (USAN). NO
RxCUI: 5164HaematoporphyrinDesignated preferred name (PT) NO
RxCUI: 5164HaematoporphyrinFull form of descriptor (FN) NO
RxCUI: 51670KayexalateBrand Name (BN)A proprietary name for a family of products containing a specific active ingredient. NO
RxCUI: 5168FerroprotoporphyrinSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 5168FerroprotoporphyrinSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 5168FerroprotoporphyrinBritish synonym (SYGB)British synonym of another TTY, given for clarity. NO
RxCUI: 5168FerroprotoporphyrinBritish preferred term (PTGB) NO
RxCUI: 5168FerroprotoporphyrinDesignated preferred name (PT) NO
RxCUI: 5168FerroprotoporphyrinFull form of descriptor (FN) NO
RxCUI: 5168FerroprotoporphyrinSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 51688KelocyanorBrand Name (BN)A proprietary name for a family of products containing a specific active ingredient. NO
RxCUI: 5169Heme oxygenase (decyclizing)British preferred term (PTGB) NO
RxCUI: 5169Heme oxygenase (decyclizing)Designated preferred name (PT) NO
RxCUI: 5169Heme oxygenase (decyclizing)Full form of descriptor (FN) NO