SNOMED Documentation Search


 Other Documents

Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

A

Gloss
PreSpacefalse
tRelationship
contains
Gloss
PreSpacefalse
tIdentifiers
of two logically associated
Gloss
PreSpacefalse
tConcepts
and the
Gloss
PreSpacefalse
tIdentifier
of another
Gloss
PreSpacefalse
tConcept
that indicates the
Gloss
PreSpacefalse
tRelationship Type
by which they are associated.


Caption table
Example: Defining arthritis as a type of joint disorder

Relationship.id

sourceId

typeId

destinationId

Concept
t2227469024||

Concept
t3723001|Arthritis (disorder)|

Concept
t116680003|Is a (attribute)|

Concept
t399269003|Arthropathy (disorder)|

In human readable

Specref
RefTypefield
tterm
...

Concept
t3723001|arthritis|

Concept
t116680003|is a|

Concept
t399269003|joint disorder|

Related Links

...

Relationships and concept definitions

Each

Gloss
PreSpacefalse
tconcept
in
Gloss
PreSpacefalse
tSNOMED CT
is logically defined through its
Gloss
PreSpacefalse
trelationships
to other
Gloss
PreSpacefalse
tconcepts
.

...

  • Concept
    t116680003|is a|
    ShowFormatinline
    Gloss
    PreSpacefalse
    tsubtype
    of
    Concept
    t15574005|Fracture of foot (disorder)|

  • and has

    Concept
    t363698007|finding site|
    ShowFormatinline
     
    Concept
    t108371006|Bone structure of tarsus (body structure)|
    ;

  • and has

    Concept
    t116676008|associated morphology|
    ShowFormatinline
     
    Concept
    t72704001|Fracture (morphologic abnormality)|
    .

...

Example: Group A Streptococcus causes most cases of Streptococcal pharyngitis. However, a small percentage of these cases are caused by other species of Streptococcus. Therefore, it would be incorrect to define

Concept
t43878008|Streptococcal sore throat (disorder)|
ShowFormatinline
as  as having
Concept
t246075003|causative agent|
ShowFormatinline
 
Concept
t80166006|Streptococcus pyogenes (organism)|
. Instead it is correctly defined as having the more general
Concept
t246075003|causative agent|
ShowFormatinline
Concept
t58800005|Genus Streptococcus (organism)|
.

...

IS A Relationships

Concept
t116680003|is a|
ShowFormatinline
Gloss
PreSpacefalse
trelationships
are also known as "Supertype -
Gloss
PreSpacefalse
tSubtype
Gloss
PreSpacefalse
trelationships
" or "Parent -
Gloss
PreSpacefalse
tChild
Gloss
PreSpacefalse
trelationships
child relationships".
Concept
t116680003|is a|
ShowFormatinline
Gloss
PreSpacefalse
trelationships
are the basis of
Gloss
PreSpacefalse
tSNOMED CT
's hierarchies hierarchies, as illustrated below.

Anchor_b805104b-8ad5-4cc5-8fb0-75cafeb7f808__f_b805104b-8ad5-4cc5-8fb0-75cafeb7f808__f


Caption figure
Example IS A hierarchy


A

Gloss
PreSpacefalse
tconcept
can have more than one
Concept
t116680003|is a|
ShowFormatinline
Gloss
PreSpacefalse
trelationship
to other
Gloss
PreSpacefalse
tconcepts
. In that case, the
Gloss
PreSpacefalse
tconcept
will have parent
Gloss
PreSpacefalse
tconcepts
in more than one
Gloss
PreSpacefalse
tsub-hierarchy
of a top-level
Gloss
PreSpacefalse
thierarchy
.
Gloss
PreSpacefalse
tSubtype
Gloss
PreSpacefalse
trelationships
can be multi-hierarchical.

Anchor_b805104b-8ad5-4cc5-8fb0-75cafeb7f808__b_b805104b-8ad5-4cc5-8fb0-75cafeb7f808__b


Caption figure
Example IS A Relationships

...


...

Attribute Relationships

An

Gloss
PreSpacefalse
tattribute
Gloss
PreSpacefalse
trelationship
is an association between two
Gloss
PreSpacefalse
tconcepts
that specifies a
Gloss
PreSpacefalse
tdefining characteristic
of one of the
Gloss
PreSpacefalse
tconcepts
(the source of the
Gloss
PreSpacefalse
trelationship
). Each
Gloss
PreSpacefalse
tattribute
Gloss
PreSpacefalse
trelationship
has a name (the type of
Gloss
PreSpacefalse
trelationship
) and a value (the destination of the
Gloss
PreSpacefalse
trelationship
).

...

Since pneumonia is a disorder of the lung, the logical definition of the

Gloss
PreSpacefalse
tconcept
Concept
t233604007|Pneumonia (disorder)|
ShowFormatinline
in  in
Gloss
PreSpacefalse
tSNOMED CT
includes the following
Gloss
PreSpacefalse
trelationship
. The
Gloss
PreSpacefalse
tAttribute
Concept
t363698007|Finding site|
ShowFormatinline
is  is assigned the value
Concept
t39607008|Lung structure (body structure)|
.

  • Anchor
    _c32f385e-f0e9-4a0d-a957-88659e80dbd0__b_c32f385e-f0e9-4a0d-a957-88659e80dbd0__b
    Concept
    t363698007|Finding site|
     =
    Concept
    t39607008|Lung structure (body structure)|

The full definitions of the

Gloss
PreSpacefalse
tconcepts
concepts 
Concept
t233604007 | Pneumonia (disorder)|
, |
Concept
t312342009 Infective pneumonia (disorder)
| and |
 and 
Concept
t53084003 Bacterial pneumonia (disorder)
|
are shown below. Each line represents a defining The first lines in each example refer to 
Gloss
tsupertypes
 of the defined concept. Each of the subsequent lines refines the definition by specifying an 
Gloss
PreSpacefalse
tAttributeattribute
with a value.

...

Concept
t116680003|is a|

...

Concept
t205237003|pneumonitis|

...

,

Concept
t116680003|is a|
=
Concept
t95436008|lung consolidation|

...

, {

Concept
t116676008|associated morphology|
=
Concept
t23583003|inflammation|

...

,

Concept
t116676008|associated morphology|
=
Concept
t9656002|consolidation|

...

,

Concept
t363698007|finding site|
=
Concept
t39607008|lung structure|
}

...

Scg expression
Bordersolid
=== 95436008 |Lung consolidation (disorder)| + 
       205237003 |Pneumonitis (disorder)| :
            { 116676008 |Associated morphology (attribute)| = 707496003 |Inflammation and consolidation (morphologic abnormality)|, 
              363698007 |Finding site (attribute)| = 39607008 |Lung structure (body structure)| }
Caption figure
Iddef-pneumonia
Definition of |Pneumonia (disorder)|

...

Concept
t116680003|is a|

...

Concept
t128601007|infectious disease of lung|

...

,

Concept
t116680003|is a|
=
Concept
t233604007|pneumonia|

...

,

Concept
t370135005|pathological process|
=
Concept
t441862004|infectious process|

...

, {

Concept
t116676008|associated morphology|
=
Concept
t23583003|inflammation|

...

,

Concept
t116676008|associated morphology|
=
Concept
t9656002|consolidation|

...

,

Concept
t363698007|finding site|
=
Concept
t39607008|lung structure|
}

...

Scg expression
Bordersolid
=== 128601007 |Infectious disease of lung (disorder)| +
       233604007 |Pneumonia (disorder)| :
            { 370135005 |Pathological process (attribute)| = 441862004 |Infectious process (qualifier value)|, 
              116676008 |Associated morphology (attribute)| = 707496003 |Inflammation and consolidation (morphologic abnormality)|, 
              363698007 |Finding site (attribute)| = 39607008 |Lung structure (body structure)| }



Caption figure
Iddef-infective-pneumonia
Definition of |Infective pneumonia (disorder)|

...



...

Concept
t116680003|is a|

...

Concept
t312119006|bacterial lower respiratory infection|

...

,

Concept
t116680003|is a|
=
Concept
t312342009|infective pneumonia|

...

,

Concept
t246075003|causative agent|
=
Concept
t409822003|bacteria|

...

,

Concept
t370135005|pathological process|
=
Concept
t441862004|infectious process|

...

, {

Concept
t116676008|associated morphology|
=
Concept
t23583003|inflammation|

...

,

Concept
t116676008|associated morphology|
=
Concept
t9656002|consolidation|

...

,

Concept
t363698007|finding site|
=
Concept
t39607008|lung structure|
}

...

Scg expression
Bordersolid
=== 312119006 |Bacterial lower respiratory infection (disorder)| +    /
       312342009 |Infective pneumonia (disorder)| :
            { 370135005 |Pathological process (attribute)| = 441862004 |Infectious process (qualifier value)|, 
              116676008 |Associated morphology (attribute)| = 707496003 |Inflammation and consolidation (morphologic abnormality)|, 
              363698007 |Finding site (attribute)| = 39607008 |Lung structure (body structure)|, 
              246075003 |Causative agent (attribute)| = 409822003 |Superkingdom Bacteria (organism)| }



Caption figure
Iddef-bacterial-pneumonia
Definition of |Bacterial pneumonia (disorder)|


illustrates

Caption ref
Typefigure
Iddef-illustrative
 illustrates some of these
Gloss
PreSpacefalse
tRelationships
graphically.
Concept
t116680003|is a|
ShowFormatinline
Gloss
PreSpacefalse
tRelationships
relate a
Gloss
PreSpacefalse
tconcept
to more general
Gloss
PreSpacefalse
tconcepts
of the same type. In contrast,
Gloss
PreSpacefalse
tAttribute
Gloss
PreSpacefalse
tRelationships
 (such as
Concept
t363698007|Finding site|
ShowFormatinline
and  and
Concept
t246075003|Causative agent|
) relate a
Gloss
PreSpacefalse
tconcept
to relevant values in other branches of the
Gloss
PreSpacefalse
tsubtype hierarchy
.

anchorImage Added_c32f385e-f0e9-4a0d-a957-88659e80dbd0__e_c32f385e-f0e9-4a0d-a957-88659e80dbd0__e Anchor_c32f385e-f0e9-4a0d-a957-88659e80dbd0__7_c32f385e-f0e9-4a0d-a957-88659e80dbd0__7Image Removed Caption figure


Caption figure
Iddef-illustrative
Illustration of Defining Relationships


Related Links