Counts
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Relationship
Relationship Attribute
Count (MRREL.RRF)
SIB
*
270486
PAR
*
4661
SY
expanded_form_of
4396
PAR
*
8
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
C0812138
A8587615
SCUI
Pessary management each 15 minutes
SIB
Breast care education group each 60 minutes
SCUI
A8589199
C1535661
C1535661
A8589199
SCUI
Breast care education group each 60 minutes
SIB
Pessary management each 15 minutes
SCUI
A8587615
C0812138
C1965775
A15884619
SCUI
Non-specified HCPCS II LVN/LPN nurse service or procedure reference code no charge
SIB
Non-specified HCPCS II physician service or procedure reference code no charge
SCUI
A15884545
C2366573
C2366573
A15884545
SCUI
Non-specified HCPCS II physician service or procedure reference code no charge
SIB
Non-specified HCPCS II LVN/LPN nurse service or procedure reference code no charge
SCUI
A15884619
C1965775
C0885170
A8589227
SCUI
Cactus grandiflorus / night blooming cereus
SIB
Chloralum hydratum / chloral hydrate
SCUI
A8585468
C1443001
C1443001
A8585468
SCUI
Chloralum hydratum / chloral hydrate
SIB
Cactus grandiflorus / night blooming cereus
SCUI
A8589227
C0885170
C0884879
A8586477
SCUI
Himalaya ProSelect(TM) Septilin 80
SIB
CellLife(TM) Forever Energy Support multi-organ each 3 ml bottle
SCUI
A8585348
C1442682
C1442682
A8585348
SCUI
CellLife(TM) Forever Energy Support multi-organ each 3 ml bottle
SIB
Himalaya ProSelect(TM) Septilin 80
SCUI
A8586477
C0884879
C1827122
A8585303
SCUI
Rehabilitation assessment
SIB
Terminal illness care
SCUI
A8588513
C1161007
C1161007
A8588513
SCUI
Terminal illness care
SIB
Rehabilitation assessment
SCUI
A8585303
C1827122
PAR (return to top)
CUI1
AUI1
STYPE1
STR
REL
STR
STYPE2
AUI2
CUI2
C0697191
A8587725
SCUI
Populus tremuloides / American aspen
PAR
Homeopathic remedies letter P
SCUI
A8250617
C0885647
C0885647
A8250617
SCUI
Homeopathic remedies letter P
CHD
Populus tremuloides / American aspen
SCUI
A8587725
C0697191
C1160817
A8588276
SCUI
Auricular tacks or microneedles each 15 minutes
PAR
Oriental modalities
SCUI
A8251660
C1533705
C1533705
A8251660
SCUI
Oriental modalities
CHD
Auricular tacks or microneedles each 15 minutes
SCUI
A8588276
C1160817
C0696914
A8587818
SCUI
Psoraleae / bu gu zhi
PAR
Oriental herbs and natural substances letter P
SCUI
A8251645
C0696879
C0696879
A8251645
SCUI
Oriental herbs and natural substances letter P
CHD
Psoraleae / bu gu zhi
SCUI
A8587818
C0696914
C0695927
A8585858
SCUI
Detailed 30 minutes phone consult
PAR
Phone conversations with or without ICD diagnosis
SCUI
A8251935
C0695925
C0695925
A8251935
SCUI
Phone conversations with or without ICD diagnosis
CHD
Detailed 30 minutes phone consult
SCUI
A8585858
C0695927
C0696997
A8589025
SCUI
Viticis / man jing zi
PAR
Oriental herbs and natural substances letter V
SCUI
A8251652
C0696991
C0696991
A8251652
SCUI
Oriental herbs and natural substances letter V
CHD
Viticis / man jing zi
SCUI
A8589025
C0696997
PAR (return to top)
CUI1
AUI1
STYPE1
STR
REL
STR
STYPE2
AUI2
CUI2
C0920324
A8252258
SCUI
Remedies
PAR
Alternative Billing Concepts
AUI
A1415646
C1140170
C1140170
A1415646
AUI
Alternative Billing Concepts
CHD
Remedies
SCUI
A8252258
C0920324
C0695354
A8251359
SCUI
Multiple specialties
PAR
Alternative Billing Concepts
AUI
A1415646
C1140170
C1140170
A1415646
AUI
Alternative Billing Concepts
CHD
Multiple specialties
SCUI
A8251359
C0695354
C0028677
A8246972
SCUI
Nursing
PAR
Alternative Billing Concepts
AUI
A1415646
C1140170
C1140170
A1415646
AUI
Alternative Billing Concepts
CHD
Nursing
SCUI
A8246972
C0028677
C0696639
A8248632
SCUI
Herbs and natural substances
PAR
Alternative Billing Concepts
AUI
A1415646
C1140170
C1140170
A1415646
AUI
Alternative Billing Concepts
CHD
Herbs and natural substances
SCUI
A8248632
C0696639
C0695751
A8250949
SCUI
Laboratory and/or office procedures
PAR
Alternative Billing Concepts
AUI
A1415646
C1140170
C1140170
A1415646
AUI
Alternative Billing Concepts
CHD
Laboratory and/or office procedures
SCUI
A8250949
C0695751