This page lists UMLS Metathesaurus data elements and traces them back to the specific source data that populates them.
VSAB: MED-RT_2022_09_06
There have been no changes to the MED-RT release format or Metathesaurus source processing.
All source files, including documentation, are available on the MED-RT download site:
https://evs.nci.nih.gov/ftp1/MED-RT/
File | Description |
---|---|
Core_MEDRT_YYYY.MM.DD_XML.xml | Data file |
MED-RT Documentation.pdf | Documentation |
MED-RT_Schema_v1.xsd | XML schema definition |
Term Type | Origin |
---|---|
FN | CODE, SCUI: <Concept><Code> (same as NUI property) STRING: <Concept><Name> |
PT | CODE, SCUI: <Concept><Code> (same as NUI property) STRING: <Concept><Property><Synonym><to_name> where <name> = "Preferred Term" and <preferred> = "true" |
SY | CODE, SCUI: <Concept><Code> (same as NUI property) STRING: <Concept><Property><Synonym><to_name> where <name> = "Synonym" and <preferred> = "false" |
Attribute Name | Origin | Notes |
---|---|---|
AUTHORITY | <association><qualifier><name> = Authority | MRSAT.STYPE = RUI Identifies the authoritative source(s) for a relationship. Conflicting relationships from different authorities can coexist in the knowledge base. Valid relationship source authorities are:
|
CONCEPT_TYPE | <property><name> = CTY | Concept type: a category or label assigned only to every concept owned by MED-RT.
Valid CTY values include:
|
TERM_STATUS | <concept><status> | Always "A" (approved) |
REL | RELA Inverse RELA |
Origin | Description | Target concept terminology or CTY |
---|---|---|---|---|
PAR CHD |
parent_of/has_parent | <association><name> = Parent of | Hierarchical or taxonomic parent of concept. PAR/CHD relationships between two MED-RT concepts are also represented in MRHIER.RRF | CTY: same CTY as concept of origin (e.g., MoA, PE, EPC, PK, TC, EXT) if MED-RT target, or Target: SNOMED CT US Edition or MeSH if mapped into external terminology hierarchy |
RO | contraindicated_class_of has_contraindicated_class |
<association><name> = CI_ChemClass | Chemical structural class of a co-administered ingredient | MeSH |
RO | contraindicated_mechanism_of_action_of has_contraindicated_mechanism_of_action |
<association><name> = CI_MoA | Contraindicated mechanism of action of a co-administered ingredient | CTY: MoA |
RO | contraindicated_physiologic_effect_of has_contraindicated_physiologic_effect |
<association><name> = CI_PE | Contraindicated physiological effect of a co-administered ingredient | CTY: PE |
RO | contraindicated_with_disease has_contraindicated_drug |
<association><name> = CI_with | Therapeutic or co-morbid contraindication of an ingredient | MeSH |
RO | effect_may_be_inhibited_by may_inhibit_effect_of |
<association><name> = effect_may_be_inhibited_by | An ingredient interfering with therapeutic effect of an ingredient | MeSH |
RO | has_active_metabolites active_metabolites_of |
<association><name> = has_active_metabolites | Chemically-active metabolic product of an ingredient | MeSH |
RO | has_mechanism_of_action mechanism_of_action_of |
<association><name> = has_MoA | Molecular, subcellular, or cellular level functional activity of an ingredient | CTY: MoA |
RO | has_pharmacokinetics pharmacokinetics_of |
<association><name> = has_PK | Absorption, distribution, and elimination of an ingredient | CTY: PK |
RO | has_physiologic_effect physiologic_effect_of |
<association><name> = has_PE | Tissue, organ, or organ system level functional activity of an ingredient | CTY: PE |
RO | has_structural_class structural_class_of |
<association><name> = has_SC | Structural classification mapping of an ingredient | MeSH |
RO | has_therapeutic_class therapeutic_class_of |
<association><name> = has_TC | Therapeutic intent categorization of an ingredient | CTY: TC |
RO | induces induced_by |
<association><name> = induces | Therapeutic effect or state caused by an ingredient | MeSH |
RO | may_diagnose may_be_diagnosed_by |
<association><name> = may_diagnose | Diagnostic use or indication of an ingredient | MeSH |
RO | may_prevent may_be_prevented_by |
<association><name> = may_prevent | Preventative use or indication of an ingredient | MeSH |
RO | may_treat may_be_treated_by |
<association><name> = may_treat | Therapeutic use or indication of an ingredient | MeSH |
RO | site_of_metabolism metabolic_site_of |
<association><name> = site_of_metabolism | Metabolic anatomic site of an ingredient | CTY: PK |
SY | <association><name> = Synonym Of | mapped equivalent or synonymous concept in external terminology hierarchy | SNOMED CT US Edition or MeSH |