RxNorm Semantic Concepts Index - 520

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 "520".

RxCUINameTerm TypeTerm Type DescriptionIs Prescribable?
RxCUI: 520Allosteric siteDesignated preferred name (PT) NO
RxCUI: 520Allosteric siteFull form of descriptor (FN) NO
RxCUI: 5200Sickle hemoglobinBritish preferred term (PTGB) NO
RxCUI: 5200Sickle hemoglobinSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 5200Sickle hemoglobinBritish synonym (SYGB)British synonym of another TTY, given for clarity. NO
RxCUI: 5200Sickle hemoglobinSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 5200Sickle hemoglobinSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 5200Sickle hemoglobinDesignated preferred name (PT) NO
RxCUI: 5200Sickle hemoglobinFull form of descriptor (FN) NO
RxCUI: 5200Sickle hemoglobinBritish synonym (SYGB)British synonym of another TTY, given for clarity. NO
RxCUI: 5200Sickle hemoglobinSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 52002LTA>4<Synonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 52002LTA>4<Synonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 52008LTE>4<Synonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 52008LTE>4<Synonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 52014levodropropizineIngredient (IN)A compound or moiety that gives the drug its distinctive clinical properties. Ingredients generally use the United States Adopted Name (USAN). NO
RxCUI: 52014levodropropizineDesignated preferred name (PT) NO
RxCUI: 52014levodropropizineSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 52014levodropropizineFull form of descriptor (FN) NO
RxCUI: 52014levodropropizineDesignated preferred name (PT) NO
RxCUI: 52014levodropropizineFull form of descriptor (FN) NO
RxCUI: 52016MedetomidineIngredient (IN)A compound or moiety that gives the drug its distinctive clinical properties. Ingredients generally use the United States Adopted Name (USAN). NO
RxCUI: 52016MedetomidineDesignated preferred name (PT) NO
RxCUI: 52016MedetomidineFull form of descriptor (FN) NO
RxCUI: 5202HbBritish preferred term (PTGB) NO
RxCUI: 5202HbSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 5202HbBritish synonym (SYGB)British synonym of another TTY, given for clarity. NO
RxCUI: 5202HbSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 5202HbDesignated preferred name (PT) NO
RxCUI: 5202HbFull form of descriptor (FN) NO
RxCUI: 5202HbBritish synonym (SYGB)British synonym of another TTY, given for clarity. NO
RxCUI: 5202HbSynonym (SY)Synonym of another TTY, given for clarity. NO
RxCUI: 5203Abnormal haemoglobinBritish preferred term (PTGB) NO
RxCUI: 5203Abnormal haemoglobinDesignated preferred name (PT) NO
RxCUI: 5203Abnormal haemoglobinFull form of descriptor (FN) NO
RxCUI: 5207HemolysinBritish preferred term (PTGB) NO
RxCUI: 5207HemolysinDesignated preferred name (PT) NO
RxCUI: 5207HemolysinFull form of descriptor (FN) NO
RxCUI: 520719,12,15-octadecatrienoic acidSynonym (SY)Synonym of another TTY, given for clarity. YES
RxCUI: 520719,12,15-octadecatrienoic acidSynonym (SY)Synonym of another TTY, given for clarity. YES
RxCUI: 520719,12,15-octadecatrienoic acidPrecise 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: 520719,12,15-octadecatrienoic acidDesignated preferred name (PT) YES
RxCUI: 520719,12,15-octadecatrienoic acidFull form of descriptor (FN) YES
RxCUI: 520719,12,15-octadecatrienoic acidSynonym (SY)Synonym of another TTY, given for clarity. YES