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.


Title ID Data type Description Examples Inverse
MeSH ID P486 External identifier Medical Subject Headings: identifier for diseases and other medically relevant concepts, in the MeSH descriptor database systemic lupus erythematosus <MeSH ID> D008180 -
OMIM ID P492 External identifier disease: Online "Mendelian Inheritance in Man" catalogue codes for diseases Huntington's disease <OMIM ID> 143100 -
ICD-9 P493 External identifier International 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 9 influenza <ICD-9> 487 -
ICD-10 P494 External identifier International 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 10 influenza <ICD-10> J10 -
DiseasesDB P557 External identifier Diseases Database: identifier sourced on the Diseases Database myocardial infarction <DiseasesDB> 8664 -
ICD-O P563 External identifier International Classification of Diseases for Oncology: International Classification of Diseases for Oncology Warthin's tumor <ICD-O> 8561/0 -
MedlinePlus ID P604 External identifier MedlinePlus: health information from U.S. government agencies, and health-related organizations myocardial infarction <MedlinePlus ID> 000195 -
PubMed Health P653 External identifier PubMed: identifier for a physiological condition, in the PubMed Health website myocardial infarction <PubMed Health> 0001246 -
DSM-IV P663 External identifier DSM-IV Codes: classification found in the Diagnostic and Statistical Manual of Mental Disorders dyscalculia <DSM-IV> 315.1 -
ICPC 2 ID P667 String International Classification of Primary Care: classification method for primary care encounters type I hypersensitivity <ICPC 2 ID> A92 -
GeneReviews ID P668 External identifier GeneReviews: collection of peer-reviewed articles that describe specific gene-releated diseases multiple sclerosis <GeneReviews ID> NBK1316 -
MeSH Code P672 External identifier Medical 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 -
eMedicine P673 External identifier eMedicine: online clinical medical knowledge base epilepsy <eMedicine> 1184846 -
Disease Ontology ID P699 External identifier Disease Ontology: identifier in the Disease Ontology database neuroblastoma <Disease Ontology ID> 769 -
symptoms P780 Item symptom: possible symptoms of a medical condition meningitis <symptoms> headache -
has cause P828 Item underlying cause, thing that ultimately resulted in this effect bone fracture <has cause> stress fracture has effect
medical examinations P923 Item medical examination and diagnostic procedure: examinations that might be used to diagnose the medical condition bone fracture <medical examinations> medical radiography -
medical treatment P924 Item therapy: treatment that might be used to heal the medical condition bone fracture <medical treatment> Intramedullary rod -
pathogen transmission process P1060 Item pathogen transmission: process by which a pathogen is transmitted tuberculosis <pathogen transmission process> airborne transmission -
National Cancer Institute ID P1395 External identifier identifier at Property talk:P1395 -
Patientplus ID P1461 String Patient UK: identifier of disease at Patient UK Asperger syndrome <Patientplus ID> Asperger's-Syndrome.htm and aspergers-syndrome -
Orphanet ID P1550 External identifier rare disease and orphan drug: identifier in the database (without ORPHA prefix) pneumocystosis <Orphanet ID> 723 -
UBERON ID P1554 External identifier Uberon: identifier from UBERON ontology (without prefix) head <UBERON ID> 0000033 -
MalaCards ID P1583 External identifier identifier in the Malacards database of diseases Huntington's disease <MalaCards ID> huntingtons_disease -
number of cases P1603 Quantity number of cases: cumulative number of confirmed, probable and suspected occurrences Ebola virus epidemic in West Africa <number of cases> 13703 -
biosafety level P1604 Item biosafety level: level of the biocontainment precautions required to isolate dangerous biological agents methicillin-resistant Staphylococcus aureus <biosafety level> biosafety level 2 -
has natural reservoir P1605 Item natural reservoir: host species for the pathogen in which it is endemic Ebolavirus <has natural reservoir> Pteropodidae natural reservoir of
natural reservoir of P1606 Item natural reservoir: pathogen of which this species is a long-term host Pteropodidae <natural reservoir of> Ebolavirus has natural reservoir


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

Title ID Data type Description Examples Inverse
part of P361 Item part: 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> diencephalon has part
anatomical location P927 Item where in the body does this anatomical feature lie retina bipolar cell <anatomical location> Inner nuclear layer -
Terminologia Anatomica 98 ID P1323 External identifier Terminologia Anatomica: Terminologia Anatomica (1998 edition) human anatomical terminology identifier tibia <Terminologia Anatomica 98 ID> A02.5.06.001 -
Foundational Model of Anatomy ID P1402 String Foundational Model of Anatomy: identifier for human anatomical terminology parietal lobe <Foundational Model of Anatomy ID> 61826 -
ICD-10-PCS P1690 External identifier ICD-10 Procedure Coding System: medical classification used for procedural coding digestive system surgery <ICD-10-PCS> 0D -
operations and procedures key (OPS) P1691 External identifier OPS-301: official classification of operational procedures digestive system surgery <operations and procedures key (OPS)> 5-42 -
ICD-9-CM P1692 String ICD-9-CM: identifier in the ICD adaption assigning diagnostic and procedure codes digestive system surgery <ICD-9-CM> 42 -
Terminologia Embryologica P1693 External identifier Terminologia Embryologica: standardized list of words used in the description of human embryologic and fetal structures Blastomere <Terminologia Embryologica> E7. -
Terminologia Histologica P1694 External identifier Terminologia Histologica: controlled vocabulary for use in cytology and histology neuron <Terminologia Histologica> H2. -
arterial supply P2286 Item arterial supply of an anatomical structure liver <arterial supply> hepatic artery proper venous drainage
lymphatic drainage P2288 Item lymphatic drainage of an anatomical structure uterus <lymphatic drainage> Paraaortic lymph node and internal iliac lymph nodes -
venous drainage P2289 Item vein draining the anatomical structure uterus <venous drainage> uterine veins arterial supply
muscle origin P3490 Item muscle origin: the anatomic entity to which the beginning of a muscle is anchored biceps femoris muscle <muscle origin> Tuberosity of the ischium -
muscle insertion P3491 Item muscle insertion: the anatomic entity to which the end of a muscle is anchored biceps brachii <muscle insertion> Radial tuberosity -
anatomical branch of P3261 Item anatomical branch: main stem of this blood vessel, lymphatic vessel or nerve brachiocephalic artery <anatomical branch of> aorta has anatomical branch
has anatomical branch P3262 Item anatomical branch: branches of this blood vessel, lymphatic vessel or nerve common carotid artery <has anatomical branch> external carotid artery anatomical branch of

Nerves and brain[edit]

Title ID Data type Description Examples Inverse
Neurolex ID P696 External identifier NeuroLex: identifier in the Neurolex database cone cell <Neurolex ID> Sao1103104164 -
presynaptic connection P925 Item neuron connects on its presynaptic end to retina bipolar cell <presynaptic connection> rod cell postsynaptic connection
postsynaptic connection P926 Item synapse: neuron connects on its postsynaptic end to retina bipolar cell <postsynaptic connection> retinal ganglion cell presynaptic connection
activating neurotransmitter P928 Item which neurotransmitter activates the neuron pyramidal cell <activating neurotransmitter> γ-aminobutyric acid -
neurological function P970 Item the function of a neurological structure retina bipolar cell <neurological function> phototransduction -
innervates P3190 Item innervation: anatomical structures innervated by this nerve Musculocutaneous nerve <innervates> biceps brachii innervated by
innervated by P3189 Item innervation: nerves which innervate this anatomical structure biceps brachii <innervated by> Musculocutaneous nerve innervates


Title ID Data type Description Examples Inverse
CAS Registry Number P231 External identifier CAS Registry Number: identifier for a chemical compound per CAS Registry aspirin <CAS Registry Number> 50-78-2 -
canonical SMILES P233 String Simplified molecular input line entry specification: Simplified Molecular Input Line Entry Specification (canonical format) ethanol <canonical SMILES> CCO -
InChI P234 External identifier International Chemical Identifier: International Chemical Identifier ethanol <InChI> 1S/C2H6O/c1-2-3/h3H,2H2,1H3 -
InChIKey P235 External identifier InChIKey: 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 code P267 External identifier Anatomical Therapeutic Chemical Classification System: therapeutic chemical identification code per ATC aspirin <ATC code> A01AD05 -
chemical formula P274 String chemical formula: description of chemical compound based on element symbols morphine <chemical formula> C17H19NO3 -
ChEMBL ID P592 External identifier ChEMBL: identifier from a chemical database of bioactive molecules with drug-like properties caffeine <ChEMBL ID> CHEMBL113 -
Guide to Pharmacology Ligand ID P595 External identifier International Union of Basic and Clinical Pharmacology and IUPHAR/BPS Guide to PHARMACOLOGY: ligand identifier of the Guide to Pharmacology database morphine <Guide to Pharmacology Ligand ID> 1627 -
route of administration P636 Item route of administration: path by which a drug, fluid, poison, or other substance is taken into the body aspirin <route of administration> oral administration -
UNII P652 External identifier Unique Ingredient Identifier: identifier issued by the FDA / Unique Ingredient Identifier epinephrine <UNII> YKH834O4BH -
ChemSpider ID P661 External identifier ChemSpider: identifier in a free chemical database, owned by the Royal Society of Chemistry methadone <ChemSpider ID> 3953 -
PubChem CID P662 External identifier identifier from database of chemical molecules and their activities in biological assays (Compound ID number) thalidomide <PubChem CID> 5426 -
ChEBI ID P683 External identifier ChEBI: identifier from database and ontology of molecular entities focused on 'small' chemical compounds dimethyltryptamine <ChEBI ID> 28969 -
Drugbank ID P715 External identifier DrugBank: identifier in the bioinformatics and cheminformatics database from the University of Alberta Vitamin C <Drugbank ID> 00126 -
significant drug interaction P769 Item drug 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 effect P1909 Item side effect and adverse drug reaction: effect of a medication or procedure, that occurs next to the desired effect Influenza vaccine <side effect> sore throat -
vaccine for P1924 Item vaccine: disease that a vaccine is for Cholera vaccine <vaccine for> cholera -
VIOLIN ID P1925 External identifier VIOLIN: identifier in the VIOLIN database for vaccines and related subjects Influvac <VIOLIN ID> 597 -
Vaccine Ontology ID P1928 External identifier identifier in the Vaccine Ontology database Influvac <Vaccine Ontology ID> VO_0000867 -


Title ID Data type Description Examples Inverse
PubMed ID P698 External identifier PubMed ID: identifier for journal articles/abstracts in PubMed Evolution in Mendelian Populations. <PubMed ID> 17246615 -
PMCID P932 External identifier PMCID: identifier for a scientific work issued by PubMed Central (without "PMC" prefix) Evolution in Mendelian Populations. <PMCID> 1201091 - ID P2074 External identifier ID in the Swedish database about medical topics Trichinosis < ID> 3911 -


Title ID Data type Description Examples Inverse
cost P2130 Quantity cost: amount of money spent on building or producing an object Creasyville Covered Bridge <cost> 301.25 United States dollar -
first aid measures P2239 Item first aid: actions to take to help a person in the case of accidents, injuries and accidental exposures to harmful chemicals hafnium exposure <first aid measures> immediate eye irrigation, prompt washing with soap, artificial respiration and immediate medical attention -
price P2284 Quantity price: 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)