Counts
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Relationship
Relationship Attribute
Count (MRREL.RRF)
SIB
*
904830
SY
translation_of
68784
RQ
classifies
66587
RO
has_member
48189
PAR
*
27258
PAR
*
26
SY
expanded_form_of
26
Notes
Sample data are taken from MRREL.RRF. Associated strings(str) from MRCONSO.RRF are also included
See relationships definitions below.
Every relationship has a separate row in MRREL.RRF.
Relationships are assigned based on source documentation or NLM understanding of the source.
Metathesaurus relationships in MRREL.RRF are read from right to left .
All relationships in MRREL.RRF are expressed in both directions, for example: 'has_ingredient/ingredient_of'. Inverse relationships in each pair are indicated on this page.
An asterisk (*) in the relationship attribute column indicates that no relationship attribute (RELA) was assigned.
Every even row (indicated by orange colored rel/rela pairs) indicates that the current row is an inverse relationship of the row above it.
See section 2.7.1.3.9 in UMLS Documentation Section 2, Metathesaurus for more information on Related Concepts, MRREL.RRF.
Relationship Definitions
AQ : allowed qualifier
CHD : has child (narrower hierarchical term)
DEL : deleted concept
PAR : has parent (broader hierarchical term)
QB : can be qualifier by
RB : has a broader relationship
RL : has similar or like relationship
RN : has narrower relationship
RO : has relationship other than synonymous, narrower or broader
RQ : related and possibly synonymous
SIB : has sibling
SY : source-asserted synonymy
Sample Data
SIB (return to top)
CUI1
AUI1
STYPE1
STR
REL
STR
STYPE2
AUI2
CUI2
C0855623
A10217242
SDUI
Aspartato amminotransferasi anormale
SIB
Capacità di eliminazione del galattosio anormale
SDUI
A10221842
C1167893
C1167893
A10221842
SDUI
Capacità di eliminazione del galattosio anormale
SIB
Aspartato amminotransferasi anormale
SDUI
A10217242
C0855623
C0238246
A10234997
SDUI
Emangioma del fegato
SIB
Sindrome di Stewart -Treves
SDUI
A10274612
C0346082
C0346082
A10274612
SDUI
Sindrome di Stewart -Treves
SIB
Emangioma del fegato
SDUI
A10234997
C0238246
C0948669
A10267016
SDUI
Prostatite da radiazioni
SIB
Leucopenia da radiazioni
SDUI
A13344505
C1963734
C1963734
A13344505
SDUI
Leucopenia da radiazioni
SIB
Prostatite da radiazioni
SDUI
A10267016
C0948669
C1142083
A10235396
SDUI
Embolia cutanea da farmaci
SIB
Atrofia in sede di infusione
SDUI
A10217879
C1697134
C1697134
A10217879
SDUI
Atrofia in sede di infusione
SIB
Embolia cutanea da farmaci
SDUI
A10235396
C1142083
C0035258
A10206895
SDUI
Sindrome delle gambe senza riposo
SIB
Pallanestesia
SDUI
A10261374
C0234199
C0234199
A10261374
SDUI
Pallanestesia
SIB
Sindrome delle gambe senza riposo
SDUI
A10206895
C0035258
SY (return to top)
CUI1
AUI1
STYPE1
STR
REL
RELA
STR
STYPE2
AUI2
CUI2
C0423636
A1588742
CODE
Chest pain - cardiac
SY
translation_of
Dolore toracico cardiaco
CODE
A11164775
C0423636
C0423636
A11164775
CODE
Dolore toracico cardiaco
SY
has_translation
Chest pain - cardiac
CODE
A1588742
C0423636
C0858301
A1604058
CODE
Insulin normal
SY
translation_of
Insulina normale
CODE
A11175937
C0858301
C0858301
A11175937
CODE
Insulina normale
SY
has_translation
Insulin normal
CODE
A1604058
C0858301
C0853682
A9459963
CODE
Ruptured diverticulum of colon
SY
translation_of
Rottura di diverticolo del colon
CODE
A11191719
C0853682
C0853682
A11191719
CODE
Rottura di diverticolo del colon
SY
has_translation
Ruptured diverticulum of colon
CODE
A9459963
C0853682
C0948156
A2018622
CODE
Protein S abnormal
SY
translation_of
Proteina S anormale
CODE
A10267054
C0948156
C0948156
A10267054
CODE
Proteina S anormale
SY
has_translation
Protein S abnormal
CODE
A2018622
C0948156
C1167977
A2602037
CODE
Reticulocyte percentage abnormal
SY
translation_of
Percentuale di reticolociti anormale
CODE
A10263254
C1167977
C1167977
A10263254
CODE
Percentuale di reticolociti anormale
SY
has_translation
Reticulocyte percentage abnormal
CODE
A2602037
C1167977
RQ (return to top)
CUI1
AUI1
STYPE1
STR
REL
RELA
STR
STYPE2
AUI2
CUI2
C0200695
A10208553
AUI
Emoglobina fetale
RQ
classifies
Emoglobina fetale
AUI
A10208555
C0200695
C0200695
A10208555
AUI
Emoglobina fetale
RQ
classified_as
Emoglobina fetale
AUI
A10208553
C0200695
C0852748
A11193374
AUI
Escissione di tumore della coroide
RQ
classifies
Escissione di tumore della coroide
AUI
A10239191
C0852748
C0852748
A10239191
AUI
Escissione di tumore della coroide
RQ
classified_as
Escissione di tumore della coroide
AUI
A11193374
C0852748
C1740792
A12105136
AUI
Crioretinopessi
RQ
classifies
Retinopessi
AUI
A12105851
C1868761
C1868761
A12105851
AUI
Retinopessi
RQ
classified_as
Crioretinopessi
AUI
A12105136
C1740792
C0153942
A12105592
AUI
Tumore benigno dell'esofago
RQ
classifies
Tumore benigno dell'esofago
AUI
A10281647
C0153942
C0153942
A10281647
AUI
Tumore benigno dell'esofago
RQ
classified_as
Tumore benigno dell'esofago
AUI
A12105592
C0153942
C0238502
A14229050
AUI
prolasso uretrale
RQ
classifies
prolasso uretrale
AUI
A14229252
C0238502
C0238502
A14229252
AUI
prolasso uretrale
RQ
classified_as
prolasso uretrale
AUI
A14229050
C0238502
RO (return to top)
CUI1
AUI1
STYPE1
STR
REL
RELA
STR
STYPE2
AUI2
CUI2
C0341177
A11184626
CODE
Erosioni gastriche multiple
RO
has_member
Infiammazioni gastrointestinali aspecifiche (SMQ)
CODE
A13344499
C1964007
C1964007
A13344499
CODE
Infiammazioni gastrointestinali aspecifiche (SMQ)
RO
member_of_cluster
Erosioni gastriche multiple
CODE
A11184626
C0341177
C0434608
A11172948
CODE
Lussazione esposta del gomito, sede non specificata
RO
has_member
Incidenti e lesioni (SMQ)
CODE
A13344640
C1964004
C1964004
A13344640
CODE
Incidenti e lesioni (SMQ)
RO
member_of_cluster
Lussazione esposta del gomito, sede non specificata
CODE
A11172948
C0434608
C0856095
A11198494
CODE
Vomito aggravato
RO
has_member
Sintomi e procedure terapeutiche gastrointestinali aspecifiche (SMQ)
CODE
A13344034
C1964009
C1964009
A13344034
CODE
Sintomi e procedure terapeutiche gastrointestinali aspecifiche (SMQ)
RO
member_of_cluster
Vomito aggravato
CODE
A11198494
C0856095
C0272427
A11198940
CODE
Traumatismo del naso
RO
has_member
Incidenti e lesioni (SMQ)
CODE
A13344640
C1964004
C1964004
A13344640
CODE
Incidenti e lesioni (SMQ)
RO
member_of_cluster
Traumatismo del naso
CODE
A11198940
C0272427
C1096342
A10284547
CODE
Ulcera in sede di infusione
RO
has_member
Eventi di stravaso (iniezioni, infusioni e impianti) (SMQ)
CODE
A13345115
C1964005
C1964005
A13345115
CODE
Eventi di stravaso (iniezioni, infusioni e impianti) (SMQ)
RO
member_of_cluster
Ulcera in sede di infusione
CODE
A10284547
C1096342
PAR (return to top)
CUI1
AUI1
STYPE1
STR
REL
STR
STYPE2
AUI2
CUI2
C0851731
A10262797
SDUI
Patologie del fegato e delle vie biliari NCA
PAR
Patologia del fegato e delle vie biliari
SDUI
A10262223
C0947747
C0947747
A10262223
SDUI
Patologia del fegato e delle vie biliari
CHD
Patologie del fegato e delle vie biliari NCA
SDUI
A10262797
C0851731
C0278504
A10221026
SDUI
Cancro del polmone non a piccole cellule stadio I
PAR
Tumori maligni delle vie respiratorie non a piccole cellule, tipo cellulare specificato
SDUI
A10284102
C0852513
C0852513
A10284102
SDUI
Tumori maligni delle vie respiratorie non a piccole cellule, tipo cellulare specificato
CHD
Cancro del polmone non a piccole cellule stadio I
SDUI
A10221026
C0278504
C0038325
A10274608
SDUI
Sindrome di Stevens -Johnson
PAR
Condizioni allergiche NCA
SDUI
A10226601
C0851754
C0851754
A10226601
SDUI
Condizioni allergiche NCA
CHD
Sindrome di Stevens -Johnson
SDUI
A10274608
C0038325
C0022079
A10282137
SDUI
Tumore dell'iride
PAR
Tumori dell'occhio a malignità non specificata
SDUI
A10284007
C0947789
C0947789
A10284007
SDUI
Tumori dell'occhio a malignità non specificata
CHD
Tumore dell'iride
SDUI
A10282137
C0022079
C1142170
A10246185
SDUI
Infezione da Scedosporium
PAR
Micosi NCA
SDUI
A10257399
C0947852
C0947852
A10257399
SDUI
Micosi NCA
CHD
Infezione da Scedosporium
SDUI
A10246185
C1142170
PAR (return to top)
CUI1
AUI1
STYPE1
STR
REL
STR
STYPE2
AUI2
CUI2
C0851353
A10262820
SDUI
Patologie del sistema emolinfopoietico
PAR
Medical Dictionary for Regulatory Activities Terminology (MedDRA), Italian Edition
AUI
A10286875
C1702323
C1702323
A10286875
AUI
Medical Dictionary for Regulatory Activities Terminology (MedDRA), Italian Edition
CHD
Patologie del sistema emolinfopoietico
SDUI
A10262820
C0851353
C0021053
A10231701
SDUI
Disturbi del sistema immunitario
PAR
Medical Dictionary for Regulatory Activities Terminology (MedDRA), Italian Edition
AUI
A10286875
C1702323
C1702323
A10286875
AUI
Medical Dictionary for Regulatory Activities Terminology (MedDRA), Italian Edition
CHD
Disturbi del sistema immunitario
SDUI
A10231701
C0021053
C1261322
A10238884
SDUI
Esami diagnostici
PAR
Medical Dictionary for Regulatory Activities Terminology (MedDRA), Italian Edition
AUI
A10286875
C1702323
C1702323
A10286875
AUI
Medical Dictionary for Regulatory Activities Terminology (MedDRA), Italian Edition
CHD
Esami diagnostici
SDUI
A10238884
C1261322
C0042075
A10262974
SDUI
Patologie renali e urinarie
PAR
Medical Dictionary for Regulatory Activities Terminology (MedDRA), Italian Edition
AUI
A10286875
C1702323
C1702323
A10286875
AUI
Medical Dictionary for Regulatory Activities Terminology (MedDRA), Italian Edition
CHD
Patologie renali e urinarie
SDUI
A10262974
C0042075
C0851355
A10262983
SDUI
Patologie respiratorie, toraciche e mediastiniche
PAR
Medical Dictionary for Regulatory Activities Terminology (MedDRA), Italian Edition
AUI
A10286875
C1702323
C1702323
A10286875
AUI
Medical Dictionary for Regulatory Activities Terminology (MedDRA), Italian Edition
CHD
Patologie respiratorie, toraciche e mediastiniche
SDUI
A10262983
C0851355