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Unified Medical Language System (UMLS)

UMLS Vocabularies

MEDLINEPLUS (MedlinePlus Health Topics) - Metathesaurus Representation


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Atoms
Attributes
Definitions
Relationships
Mappings

VSAB:MEDLINEPLUS_20221101

Summary of Changes:

None

Source Provided Files:

The UMLS uses MedlinePlus xml files.

For 2022AB, the files used were:
  • mplus_topics_2022-11-01.xml
  • mplus_topic_groups_2022-11-01.xml

Identifiers:


 health-topic health-topic groups
CODE
 Value of <health-topic id> in mplus_topics_YYYY-MM-DD.xml
 Value of <group id> in mplus_topic_groups_YYYY-MM-DD.xml
SAUI
 Not applicable
 Not applicable
SCUI
 Not applicable
 Not applicable
SDUI
 Not applicable
 Not applicable

Atoms (MRCONSO):

Notes:

  • Only English language records (language="English") are processed for the Metathesaurus.  Spanish language records (language="Spanish") are not included.
  •  Even when duplicated, both ETs and SYs are included for complete representation of the source.
Term Type Description Origin:  XML tag
 File(s)
ET
 Entry term
 CODE = <health-topic id>
STR = <see-reference>
 mplus_topics_YYYY-MM-DD.xml
HT
 Hierarchical term
 CODE = <group id>
STR = <group>
 mplus_topic_groups_YYYY-MM-DD.xml
PT
 Preferred term
 CODE = <health-topic id>
STR = <health-topic title>
 mplus_topics_YYYY-MM-DD.xml
SY
 Synonym
 CODE = <health-topic id>
STR = <also-called>
 mplus_topics_YYYY-MM-DD.xml

Attributes (MRSAT):

Attribute Name Origin: XML tag File(s)
DATE_CREATED
 <health-topics date-created>
 mplus_topics_YYYY-MM-DD.xml
MP_OTHER_LANGUAGE_URL
 <other-language url>
 mplus_topics_YYYY-MM-DD.xml
MP_PRIMARY_INSTITUTE_URL
 <primary-institute url>
 mplus_topics_YYYY-MM-DD.xml
MP_GROUP_URL
 <group url>
 mplus_topic_groups_YYYY-MM-DD.xml
SOS
 <health-topic meta-desc + health topic url>
 mplus_topics_YYYY-MM-DD.xml

Definitions (MRDEF):

Definitions are created from the value of the <full-summary> tag in the MedlinePlus data.
Relationships (MRREL):
REL RELA
Inverse RELA		 Origin
CHD
PAR
SIB		 (no rela) Hierarchy created from the <group id> tag values in mplus_topics_YYYY-MM-DD.xml
RO
 related_to
 Connect PT atoms to related topic atoms
RQ
 (no rela)
 Connect ET atoms to PT atoms
RQ
 mapped_from
mapped_to
 Connect PT atoms to MeSH Descriptor (if present). Note: Because the combination of the Descriptor and Qualifier taken together represent the expressed relationship, the pair of rels are given a relationship group to link them together.
RO
 mapping_qualifier_of
has_mapping_qualifier
 Connect PT atoms to MeSH Qualifier (if present). Note: Because the combination of the Descriptor and Qualifier taken together represent the expressed relationship, the pair of rels are given a relationship group to link them together.
SY (no rela)
 Connect SY atoms to PT atoms

Hierarchy (MRHIER):

The hierarchy is created by connecting a health topic with its health topic group using <group id> tag values in mplus_topics_YYYY-MM-DD.xml.

Mappings (MRMAP):

No mappings are represented for MedlinePlus.