Wikidata:WikiProject Medicine/Properties

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Data models


Items and Queries







Properties are used to assign statements to items. For example one of the symptoms of dengue fever (Q30953) is headache (Q86). To add this statement the property symptoms (P780) is used. Anybody can suggest new properties in the subsections of Wikidata:Property proposal. Statements are used to centralize infobox information and add additional information to an item.

List of existing properties[edit]

The following is a list of existing properties.


ID Data type Description Examples Inverse
MeSH IDP486External identifierMedical Subject Headings: identifier for concepts in the Medical Subject Headings controlled vocabularysystemic lupus erythematosus <MeSH ID> D008180-
OMIM IDP492External identifierdisease, gene and phenotype: Online "Mendelian Inheritance in Man" catalogue codes for diseases, genes, or phenotypesHuntington disease <OMIM ID> 143100-
ICD-9P493External identifierInternational Classification of Diseases, Ninth Revision (ICD-9) and International Statistical Classification of Diseases and Related Health Problems: identifier in the ICD catalogue codes for diseases – Version 9influenza <ICD-9> 487-
ICD-10P494External identifierInternational Classification of Diseases, Tenth Revision (ICD-10) and International Statistical Classification of Diseases and Related Health Problems: identifier in the ICD catalogue codes for diseases - Version 10influenza <ICD-10> J10-
DiseasesDBP557External identifierDiseases Database: identifier sourced on the Diseases Databasemyocardial infarction <DiseasesDB> 8664-
ICD-OP563External identifierInternational Classification of Diseases for Oncology: International Classification of Diseases for OncologyWarthin's tumor <ICD-O> 8561/0-
MedlinePlus IDP604External identifierMedlinePlus: health information from U.S. government agencies, and health-related organizationsmyocardial infarction <MedlinePlus ID> 000195-
PubMed HealthP653External identifierPubMed: identifier for a physiological condition, in the PubMed Health websitemyocardial infarction <PubMed Health> 0001246-
DSM-IVP663External identifierDSM-IV Codes: classification found in the Diagnostic and Statistical Manual of Mental Disordersdyscalculia <DSM-IV> 315.1-
ICPC 2 IDP667StringInternational Classification of Primary Care: classification method for primary care encounterstype I hypersensitivity <ICPC 2 ID> A92-
GeneReviews IDP668External identifierGeneReviews: collection of peer-reviewed articles that describe specific gene-releated diseasesmultiple sclerosis <GeneReviews ID> NBK1316-
MeSH CodeP672External identifierMedical Subject Headings: Medical Subject Headings (MeSH) codes are an index and thesaurus for the life sciences (≠ MeSH ID)aorta <MeSH Code> A07.231.114.056-
eMedicineP673External identifiereMedicine: online clinical medical knowledge baseepilepsy <eMedicine> 1184846-
Disease Ontology IDP699External identifierDisease Ontology: identifier in the Disease Ontology databaseneuroblastoma <Disease Ontology ID> 769-
symptomsP780Itemsymptom: possible symptoms of a medical conditionmeningitis <symptoms> headache-
has causeP828Itemunderlying cause, thing that ultimately resulted in this effectbone fracture <has cause> stress fracturehas effect
medical examinationsP923Itemmedical examination and diagnostic procedure: examinations that might be used to diagnose the medical conditionbone fracture <medical examinations> medical radiography-
medical treatmentP924Itemtherapy: treatment that might be used to heal the medical conditionbone fracture <medical treatment> Intramedullary rod-
pathogen transmission processP1060Itempathogen transmission: process by which a pathogen is transmittedtuberculosis <pathogen transmission process> airborne transmission-
National Cancer Institute IDP1395External identifieridentifier at www.cancer.govProperty talk:P1395-
Patientplus IDP1461StringPatient UK: identifier of disease at Patient UKAsperger syndrome <Patientplus ID> Asperger's-Syndrome.htm and aspergers-syndrome-
Orphanet IDP1550External identifierrare disease and orphan drug: identifier in the database (without ORPHA prefix)pneumocystosis <Orphanet ID> 723-
UBERON IDP1554External identifierUberon: identifier from UBERON ontology (without prefix)head <UBERON ID> 0000033-
MalaCards IDP1583External identifieridentifier in the Malacards database of diseasesHuntington disease <MalaCards ID> huntingtons_disease-
number of casesP1603Quantitynumber of cases: cumulative number of confirmed, probable and suspected occurrencesEbola virus epidemic in West Africa <number of cases> 13703-
biosafety levelP1604Itembiosafety level: level of the biocontainment precautions required to isolate dangerous biological agentsmethicillin-resistant Staphylococcus aureus <biosafety level> biosafety level 2-
has natural reservoirP1605Itemnatural reservoir: host species for the pathogen in which it is endemicEbolavirus <has natural reservoir> Pteropodidaenatural reservoir of
natural reservoir ofP1606Itemnatural reservoir: pathogen of which this species is a long-term hostPteropodidae <natural reservoir of> Ebolavirushas natural reservoir


property does not exist. Use "id=new" if it's to be created.

ID Data type Description Examples Inverse
part ofP361Itempart: object of which the subject is a part. Inverse property of "has part" (P527). See also "has parts of the class" (P2670).hypothalamus <part of> diencephalonhas part
anatomical locationP927Itemwhere in the body does this anatomical feature lieretina bipolar cell <anatomical location> Inner nuclear layer-
Terminologia Anatomica 98 IDP1323External identifierTerminologia Anatomica: Terminologia Anatomica (1998 edition) human anatomical terminology identifiertibia <Terminologia Anatomica 98 ID> A02.5.06.001-
Foundational Model of Anatomy IDP1402StringFoundational Model of Anatomy: identifier for human anatomical terminologyparietal lobe <Foundational Model of Anatomy ID> 61826-
ICD-10-PCSP1690External identifierICD-10 Procedure Coding System: medical classification used for procedural codingdigestive system surgery <ICD-10-PCS> 0D-
operations and procedures key (OPS)P1691External identifierOPS-301: official classification of operational proceduresdigestive system surgery <operations and procedures key (OPS)> 5-42-
ICD-9-CMP1692StringICD-9-CM: identifier in the ICD adaption assigning diagnostic and procedure codesdigestive system surgery <ICD-9-CM> 42-
Terminologia EmbryologicaP1693External identifierTerminologia Embryologica: standardized list of words used in the description of human embryologic and fetal structuresBlastomere <Terminologia Embryologica> E7.
Terminologia HistologicaP1694External identifierTerminologia Histologica: controlled vocabulary for use in cytology and histologyneuron <Terminologia Histologica> H2.
arterial supplyP2286Itemarterial supply of an anatomical structureliver <arterial supply> hepatic artery propervenous drainage
lymphatic drainageP2288Itemlymphatic drainage of an anatomical structureuterus <lymphatic drainage> Paraaortic lymph node and internal iliac lymph nodes-
venous drainageP2289Itemvein draining the anatomical structureuterus <venous drainage> uterine veinsarterial supply
muscle originP3490Itemmuscle origin: the anatomic entity to which the beginning of a muscle is anchoredbiceps femoris muscle <muscle origin> Tuberosity of the ischium-
muscle insertionP3491Itemmuscle insertion: the anatomic entity to which the end of a muscle is anchoredbiceps brachii <muscle insertion> Radial tuberosity-
anatomical branch ofP3261Itemanatomical branch: main stem of this blood vessel, lymphatic vessel or nervebrachiocephalic artery <anatomical branch of> aortahas anatomical branch
has anatomical branchP3262Itemanatomical branch: branches of this blood vessel, lymphatic vessel or nervecommon carotid artery <has anatomical branch> external carotid arteryanatomical branch of

Nerves and brain[edit]

ID Data type Description Examples Inverse
Neurolex IDP696External identifierNeuroLex: identifier in the Neurolex databasecone cell <Neurolex ID> Sao1103104164-
presynaptic connectionP925Itemneuron connects on its presynaptic end toretina bipolar cell <presynaptic connection> rod cellpostsynaptic connection
postsynaptic connectionP926Itemsynapse: neuron connects on its postsynaptic end toretina bipolar cell <postsynaptic connection> retinal ganglion cellpresynaptic connection
activating neurotransmitterP928Itemwhich neurotransmitter activates the neuronpyramidal cell <activating neurotransmitter> γ-aminobutyric acid-
neurological functionP970Itemthe function of a neurological structureretina bipolar cell <neurological function> phototransduction-
innervatesP3190Iteminnervation: anatomical structures innervated by this nerveMusculocutaneous nerve <innervates> biceps brachiiinnervated by
innervated byP3189Iteminnervation: nerves which innervate this anatomical structurebiceps brachii <innervated by> Musculocutaneous nerveinnervates


ID Data type Description Examples Inverse
CAS Registry NumberP231External identifierCAS Registry Number: identifier for a chemical compound per CAS Registryaspirin <CAS Registry Number> 50-78-2-
canonical SMILESP233StringSimplified molecular input line entry specification: Simplified Molecular Input Line Entry Specification (canonical format)ethanol <canonical SMILES> CCO-
InChIP234External identifierInternational Chemical Identifier: International Chemical Identifierethanol <InChI> 1S/C2H6O/c1-2-3/h3H,2H2,1H3-
InChIKeyP235External identifierInChIKey: A hashed version of the full standard InChI - designed to create an identifier that encodes structural information and can also be practically used in web searching.ethanol <InChIKey> [InChIKey LFQSCWFLJHTTHZ-UHFFFAOYSA-N]-
ATC codeP267External identifierAnatomical Therapeutic Chemical Classification System: therapeutic chemical identification code per ATCaspirin <ATC code> A01AD05-
chemical formulaP274Stringchemical formula: description of chemical compound based on element symbolsmorphine <chemical formula> C17H19NO3-
ChEMBL IDP592External identifierChEMBL: identifier from a chemical database of bioactive molecules with drug-like propertiescaffeine <ChEMBL ID> CHEMBL113-
Guide to Pharmacology Ligand IDP595External identifierInternational Union of Basic and Clinical Pharmacology and IUPHAR/BPS Guide to PHARMACOLOGY: ligand identifier of the Guide to Pharmacology databasemorphine <Guide to Pharmacology Ligand ID> 1627-
route of administrationP636Itemroute of administration: path by which a drug, fluid, poison, or other substance is taken into the bodyaspirin <route of administration> oral administration-
UNIIP652External identifierUnique Ingredient Identifier: identifier issued by the FDA / Unique Ingredient Identifierepinephrine <UNII> YKH834O4BH-
ChemSpider IDP661External identifierChemSpider: identifier in a free chemical database, owned by the Royal Society of Chemistrymethadone <ChemSpider ID> 3953-
PubChem CIDP662External identifieridentifier from database of chemical molecules and their activities in biological assays (Compound ID number)thalidomide <PubChem CID> 5426-
ChEBI IDP683External identifierChEBI: identifier from database and ontology of molecular entities focused on 'small' chemical compoundsdimethyltryptamine <ChEBI ID> 28969-
Drugbank IDP715External identifierDrugBank: identifier in the bioinformatics and cheminformatics database from the University of AlbertaVitamin C <Drugbank ID> 00126-
significant drug interactionP769Itemdrug interaction: clinically significant interaction between two pharmacologically active substances (i.e., drugs and/or active metabolites) where concomitant intake can lead to altered effectiveness or adverse drug events.warfarin <significant drug interaction> Lovastatin-
side effectP1909Itemside effect and adverse drug reaction: effect of a medication or procedure, that occurs next to the desired effectInfluenza vaccine <side effect> sore throat-
vaccine forP1924Itemvaccine: disease that a vaccine is forCholera vaccine <vaccine for> cholera-
VIOLIN IDP1925External identifierVIOLIN: identifier in the VIOLIN database for vaccines and related subjectsInfluvac <VIOLIN ID> 597-
Vaccine Ontology IDP1928External identifieridentifier in the Vaccine Ontology databaseInfluvac <Vaccine Ontology ID> VO_0000867-


ID Data type Description Examples Inverse
PubMed IDP698External identifierPubMed ID: identifier for journal articles/abstracts in PubMedEvolution in Mendelian Populations <PubMed ID> 17246615-
PMCIDP932External identifierPMCID: identifier for a scientific work issued by PubMed Central (without "PMC" prefix)Evolution in Mendelian Populations <PMCID> 1201091- IDP2074External ID in the Swedish database about medical topicstrichinosis < ID> 3911-


ID Data type Description Examples Inverse
costP2130Quantitycost: amount of money spent on building or producing an objectCreasyville Covered Bridge <cost> 301.25 United States dollar-
first aid measuresP2239Itemfirst aid: actions to take to help a person in the case of accidents, injuries and accidental exposures to harmful chemicalshafnium exposure <first aid measures> immediate eye irrigation, prompt washing with soap, artificial respiration and immediate medical attention-
priceP2284Quantityprice: published price listed or paid for a product (use with unit of currency)Warfarin sodium 1 mg tab-cap <price> 1.18 United States dollar-

Property templates[edit]

  • {{Medical properties}}
  • {{NIH properties}}

Possible properties[edit]

List any ideas for new properties here. Check for overlap with:


  • Synonyms / Multilingual string


  • Epidemiological parameters: prevalence, incidence, age, sex, race predilection (mean/median, range, ratios, with qualifiers for studied region/population)
  • Inheritance
  • Human Metabolome Database (
  • GARD urls


  • tradename / Multilingual string (?)
  • / string
  • licence_EU
  • licence_US
  • dailymed
  • pregnancy_AU
  • pregnancy_US
  • pregnancy_category
  • legal status in country (create property legal in and list all states? or create property illegal in and list all states?)
  • dependency_liability ?
  • bioavailability
  • protein_bound (molecular biology task force?)
  • metabolism
  • elimination_half-life / Time datatype
  • excretion / Time datatype
  • solubility (chemistry task force?)
  • specific_rotation
  • sec_combustion
  • drug combinations. e.g. Trimethoprim/sulfamethoxazole (Q898623) ("combination of"?)


  • Anatomy: Properties that would apply to most anatomical structures include supplying artery, draining vein, neural innervation and organ system. Other more specific properties:
    • bones: origins and insertions (muscles attaching to it), articulations
    • arteries: source, branches, area it supplies, corresponding vein
    • veins: source, drains into, corresponding artery
    • nerves: innervates, branches from/to
    • muscles: origin, insertion
  • Anatomy classifications: snomed

Property proposal[edit]

Overview of a Wikidata statement
  • Properties can link to:
  • Another item
  • String
  • Number
  • Image
  • Properties can be proposed at:
  • Properties need to be reviewed (Ideally 3 supports):
  • Symbol support vote.svg Support
  • Pictogram voting comment.svg Comment
  • Symbol oppose vote.svg Oppose
  • Look for properties that are still missing from various infoboxes
  • Propose properties that connect medical items together with meaningful statements. Meaningful statements are more powerful than links, categories, lists, and other static representations of information on Wikipedia. Don't think of answers, but what kind of questions (queries) you would like to answer. E.g.:
  • I want to know all the diseases that have the symptoms: running-nose and fever.
  • That means that diseases have to be linked by a property "has symptoms" to certain systems. Qualifiers can be used to say things like: Frequency = 30 %, if a certain symptom only appears in 30 % of the cases.
  • I want to know all the diseases that are caused by ingesting berries that are endemic to the Galapagos Islands.
  • The biology task force are hopefully already adding plants to geographic places. We can query all the berry-forming plants on the Galapagos Islands that are known to be poisonous.
  • Not only will this allow for extremely powerful queries in the future, but it will also allow us to generate lists, categories, infoboxes, stub-class articles, all automatically. The translation work will be kept to a minimum because the items and statements are already being translated.
  • Another good thing is that most of the work is done by bots. After we agree on a property a request can be made at Wikidata:Bot requests for a bot to gather the information and add sources. Queries can be done by hand or by using certain visually appealing web interfaces (e.g. example)