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Anchor
_5ad77710-4fd5-423e-8177-142a4e446cd2
_5ad77710-4fd5-423e-8177-142a4e446cd2
Glossary ref
Subtype
Glossary ref
Gloss
Spacetrue
tSubtype
Gloss
tRelationships
provide the main semantic glossary-ref
Gloss
thierarchy
that relates glossary-ref
Gloss
tConcepts
to one another.

All

glossary-ref
Gloss
tActive
Concepts
, except the root glossary-ref
Gloss
tConcept
, have
Glossary ref
subtype
Glossary ref
Gloss
Spacetrue
tsubtype
Gloss
tRelationships
with one or more glossary-ref
Gloss
tConcepts
. Each of these glossary-ref
Gloss
tRelationships
indicates that a glossary-ref
Gloss
tConcept
is a glossary-ref
Gloss
tsubtype
of another glossary-ref
Gloss
tConcept
.

Representation of Subtype Relationships

Anchor
_2a69bebe-b5bd-4387-9e49-8e15f016a196
_2a69bebe-b5bd-4387-9e49-8e15f016a196
Glossary ref
Subtype
Glossary ref
Gloss
Spacetrue
tSubtype
Gloss
tRelationships
are expressed in the same way as all other glossary-ref
Gloss
tSNOMED
CT
Relationships
. They are identifiable by their RelationshipType, which refers to a glossary-ref
Gloss
tConcept
with the
Glossary ref
Fully Specified Name
Scg expression
ShowPartsterm
Gloss
Spacetrue
tFully Specified Name
Concept
t116680003|is
a|
.

The

Glossary ref
subtype
Glossary ref
Relationship
Glossary ref
Gloss
Spacetrue
tsubtype
Gloss
Spacetrue
tRelationship
Gloss
tConcept
has a designated glossary-ref
Gloss
tConcept
Identifier
, which is documented in this guide as an Important Concept Identifier.

...

Anchor
_0e7ff052-9e2f-4878-bbed-2dbd7523cbfb
_0e7ff052-9e2f-4878-bbed-2dbd7523cbfb
Glossary ref
Subtype
Glossary ref
Gloss
Spacetrue
tSubtype
Gloss
tRelationships
represent the glossary-ref
Gloss
tsubtype
hierarchy
of glossary-ref
Gloss
tSNOMED
CT
. This is illustrated here using a small sample set of glossary-ref
Gloss
tconcepts
and glossary-ref
Gloss
tRelationships
listed in .
Anchor
fnsrc_1
fnsrc_1
[ 1

Table 4. Subtype Relationships

Caption table
Subtype Relationships Example

Source

glossary-ref

Gloss
tRelationship
Type

Destination

scg-expression

Concept
ShowParts
t
term
53084003|bacterial
pneumonia|
scg-expression

Concept
ShowParts
t
term
116680003|is
a|

scg-expression

Concept
ShowParts
t
term
312342009|infective
pneumonia|
scg-expression

Concept
ShowParts
t
term
53084003|bacterial
pneumonia|

scg-expression

Concept
ShowParts
t
term
116680003|is
a|
scg-expression

Concept
ShowParts
t
term
87628006|bacterial
infectious
disease|

scg-expression

Concept
ShowParts
t
term
312342009|infective
pneumonia|
scg-expression

Concept
ShowParts
t
term
116680003|is
a|

scg-expression

Concept
ShowParts
t
term
40733004|infectious
disease|
scg-expression

Concept
ShowParts
t
term
312342009|infective
pneumonia|

scg-expression

Concept
ShowParts
t
term
116680003|is
a|
scg-expression

Concept
ShowParts
t
term
233604007|pneumonia|

scg-expression

Concept
ShowParts
t
term
233604007|pneumonia|
scg-expression

Concept
ShowParts
t
term
116680003|is
a|

scg-expression

Concept
ShowParts
t
term
19829001|disease
of
lung|
scg-expression

Concept
ShowParts
t
term
19829001|disease
of
lung|

scg-expression

Concept
ShowParts
t
term
116680003|is
a|
scg-expression

Concept
ShowParts
t
term
50043002|disease
of
respiratory
system|

scg-expression

Concept
ShowParts
t
term
50043002|disease
of
respiratory
system|
scg-expression

Concept
ShowParts
t
term
116680003|is
a|

scg-expression

Concept
ShowParts
t
term
64572001|disease|
scg-expression

Concept
ShowParts
t
term
87628006|bacterial
infectious
disease|

scg-expression

Concept
ShowParts
t
term
116680003|is
a|
scg-expression

Concept
ShowParts
t
term
40733004|infectious
disease|

scg-expression

Concept
ShowParts
t
term
40733004|infectious
disease|
scg-expression

Concept
ShowParts
t
term
116680003|is
a|

scg-expression

Concept
ShowParts
t
term
64572001|disease|
scg-expression

Concept
ShowParts
t
term
64572001|disease|

scg-expression

Concept
ShowParts
t
term
116680003|is
a|
scg-expression

Concept
ShowParts
t
term
138875005|SNOMED
CT
Concept|

Only the most proximate

scg-expression
Concept
ShowParts
t
term
116680003|is
a|
Glossary ref
ShowFormatinline
Gloss
trelationships
are represented in the distribution files. These
Glossary ref
Gloss
Spacetrue
tRelationships
are shown by the blue lines in . However, a glossary-ref
Gloss
tConcept
is a glossary-ref
Gloss
tsubtype
of any glossary-ref
Gloss
tconcept
to which it has a direct or indirect scg-expression
Concept
ShowParts
t
term
116680003|is
a|
Glossary ref
ShowFormatinline
Gloss
tRelationship
.

  • Thus the Scg expression
    ShowPartsterm
    Glossary ref
    Concept
    Gloss
    Spacetrue
    tConcept
    Concept
    t53084003|bacterial
    pneumonia|
    is a glossary-ref
    Gloss
    tsubtype
    of all the other glossary-ref
    Gloss
    tconcepts
    shown in the diagram.

Example:scg-expression

Concept
ShowParts
t
term
53084003|Bacterial
pneumonia|
is a glossary-ref
Gloss
tsubtype
of scg-expression
Concept
ShowParts
t
term
233604007|pneumonia|
because it is a glossary-ref
Gloss
tsubtype
of scg-expression
Concept
ShowParts
t
term
312342009|infective
pneumonia|
which is a glossary-ref
Gloss
tsubtype
of scg-expression
Concept
ShowParts
t
term
|pneumonia.|

GRAPHIC HERE

Anchor_0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__9

Caption figure
_0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__
9Figure
9Figure 1. Graphical view of the of the
Supertypes of
Scg expression
ShowPartsid
53084003 Supertypes ofidINLINE53084003|Bacterial pneumonia (disorder)|

...

The number of links in the chain of

scg-expression
Concept
ShowParts
t
term
116680003|is
a|
Glossary ref
ShowFormatinline
Gloss
tRelationships
between two glossary-ref
Gloss
tConcepts
does not alter the logical meaning of the glossary-ref
Gloss
trelationship
between them. The number of scg-expression
Concept
ShowParts
t
term
116680003|is
a|
Glossary ref
ShowFormatinline
Gloss
tRelationships
between two glossary-ref
Gloss
tConcepts
may change between releases of glossary-ref
Gloss
tSNOMED
CT
as a result of the addition of an intermediate glossary-ref
Gloss
tConcept
. This does not alter the semantic glossary-ref
Gloss
trelationship
between them.

Some technical implementation issues are affected by whether a pair of

glossary-ref
Gloss
tConcepts
is linked by a single
Glossary ref
subtype
Glossary ref
Gloss
Spacetrue
tsubtype
Gloss
tRelationship
or by a sequence of several
Glossary ref
subtype
Glossary ref
Gloss
Spacetrue
tsubtype
Gloss
tRelationships
. In this guide, the following glossary-ref
Gloss
tterms
are used where this distinction is technically significant:

A given

glossary-ref
Gloss
tConcept
( glossary-ref
Gloss
tConcept
-x) may have:

  • glossary-ref
    Gloss
    tSubtype
    children
    - glossary-ref
    Gloss
    tConcepts
    with a
    Glossary ref
    subtype
    Glossary ref
    Gloss
    Spacetrue
    tsubtype
    Gloss
    tRelationship
    referring to glossary-ref
    Gloss
    tConcept
    -x:
    • scg-expression
      Concept
      ShowParts
      t
      term
      53084003|bacterial
      pneumonia|
      is a glossary-ref
      Gloss
      tsubtype
      child
      of:
      • scg-expression
        Concept
        ShowParts
        t
        term
        87628006|bacterial
        infectious
        disease|
        scg-expression
      • Concept
        ShowParts
        t
        term
        312342009|infective
        pneumonia|
    glossary-ref
  • Gloss
    tSupertype
    parents
    \ - glossary-ref
    Gloss
    tConcepts
    referred to by a
    Glossary ref
    subtype
    Glossary ref
    Gloss
    Spacetrue
    tsubtype
    Gloss
    tRelationship
    from glossary-ref
    Gloss
    tConcept
    -x:
    • scg-expression
      Concept
      ShowParts
      t
      term
      40733004|infectious
      disease|
      is a glossary-ref
      Gloss
      tsupertype
      parent
      of:
      • scg-expression
        Concept
        ShowParts
        t
        term
        87628006|bacterial
        infectious
        disease|
        scg-expression
      • Concept
        ShowParts
        t
        term
        312342009|infective
        pneumonia|
    glossary-ref
  • Gloss
    tSubtype
    descendants
    - glossary-ref
    Gloss
    tConcepts
    with
    Glossary ref
    subtype
    Glossary ref
    Gloss
    Spacetrue
    tsubtype
    Gloss
    tRelationships
    that refer to other glossary-ref
    Gloss
    tConcepts
    that are either glossary-ref
    Gloss
    tchild
    or glossary-ref
    Gloss
    tsubtype
    descendants
    of glossary-ref
    Gloss
    tConcept
    -x:
    • scg-expression
      Concept
      ShowParts
      t
      term
      53084003|bacterial
      pneumonia|
      is a glossary-ref
      Gloss
      tsubtype
      descendant
      of:
      • All other glossary-ref
        Gloss
        tConcepts
        shown in the example.
    glossary-ref
  • Gloss
    tSupertype
    ancestors
    - glossary-ref
    Gloss
    tConcepts
    referred to by
    Glossary ref
    subtype
    Glossary ref
    Gloss
    Spacetrue
    tsubtype
    Gloss
    tRelationships
    from other glossary-ref
    Gloss
    tConcepts
    that are either parent or glossary-ref
    Gloss
    tsupertype
    ancestors
    of glossary-ref
    Gloss
    tConcept
    -x:
    • scg-expression
      Concept
      ShowParts
      t
      term
      64572001|disease|
      is an glossary-ref
      Gloss
      tsupertype
      ancestor
      of:
      • All other glossary-ref
        Gloss
        tConcepts
        shown in the example, except for scg-expression
        Concept
        ShowParts
        t
        term
        138875005|SNOMED
        CT
        Concept|
        .
  • Anchor
    _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__8
    _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__8
    Anchor
    _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__5
    _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__5
    scg-expression
    Concept
    ShowParts
    t
    term
    53084003|bacterial
    pneumonia|
    scg-expression
    ShowFormat
    ShowParts
    inline
    • term
      Concept
      t53084003|bacterial
      pneumonia|
      scg-expression
      ShowFormat
      ShowParts
      inline
      term
      Concept
      t116680003|is
      a|
      scg-expression
      ShowFormat
      ShowParts
      inline
      term
      Concept
      t312342009|infective
      pneumonia|
      • Anchor
        _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__2
        _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__2
        scg-expression
        Concept
        ShowParts
        t
        term
        312342009|infective
        pneumonia|
        scg-expression
        ShowFormat
        ShowParts
        inline
        term
        Concept
        t116680003|is
        a|
        scg-expression
        ShowFormat
        ShowParts
        inline
        term
        Concept
        t40733004|infectious
        disease|
        • Anchor
          _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__c
          _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__c
          scg-expression
          Concept
          ShowParts
          t
          term
          40733004|infectious
          disease|
          scg-expression
          ShowFormat
          ShowParts
          inline
          term
          Concept
          t116680003|is
          a|
          scg-expression
          ShowFormat
          ShowParts
          inline
          term
          Concept
          t64572001|disease|
          • Anchor
            _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__a
            _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__a
            scg-expression
            Concept
            ShowParts
            t
            term
            64572001|disease|
            scg-expression
            ShowFormat
            ShowParts
            inline
            term
            Concept
            t116680003|is
            a|
            scg-expression
            ShowFormat
            ShowParts
            inline
            term
            Concept
            t138875005|SNOMED
            CT
            Concept|
        scg-expression
      • Concept
        ShowParts
        t
        term
        312342009|infective
        pneumonia|
        scg-expression
        ShowFormat
        ShowParts
        inline
        term
        Concept
        t116680003|is
        a|
        scg-expression
        ShowFormat
        ShowParts
        inline
        term
        Concept
        t233604007|pneumonia|
        scg-expression
        ShowFormat
        ShowParts
        inline
        • term
          Concept
          t233604007|pneumonia|
          scg-expression
          ShowFormat
          ShowParts
          inline
          term
          Concept
          t116680003|is
          a|
          scg-expression
          ShowFormat
          ShowParts
          inline
          term
          Concept
          t19829001|disease
          of
          lung|
          • Anchor
            _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__0
            _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__0
            scg-expression
            Concept
            ShowParts
            t
            term
            19829001|disease
            of
            lung|
            scg-expression
            ShowFormat
            ShowParts
            inline
            term
            Concept
            t116680003|is
            a|
            scg-expression
            ShowFormat
            ShowParts
            inline
            term
            Concept
            t50043002|disease
            of
            respiratory
            system|
            • Anchor
              _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__4
              _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__4
              scg-expression
              Concept
              ShowParts
              t
              term
              50043002|disease
              of
              respiratory
              system|
              scg-expression
              ShowFormat
              ShowParts
              inline
              term
              Concept
              t116680003|is
              a|
              scg-expression
              ShowFormat
              ShowParts
              inline
              term
              Concept
              t64572001|disease|
              • Anchor
                _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__6
                _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__6
                scg-expression
                Concept
                ShowParts
                t
                term
                64572001|disease|
                scg-expression
                ShowFormat
                ShowParts
                inline
                term
                Concept
                t116680003|is
                a|
                scg-expression
                ShowFormat
                ShowParts
                inline
                term
                Concept
                t138875005|SNOMED
                CT
                Concept|
      scg-expression
    • Concept
      ShowParts
      t
      term
      53084003|bacterial
      pneumonia|
      scg-expression
      ShowFormat
      ShowParts
      inline
      term
      Concept
      t116680003|is
      a|
      scg-expression
      ShowFormat
      ShowParts
      inline
      term
      Concept
      t87628006|bacterial
      infectious
      disease|
      scg-expression
      ShowFormat
      ShowParts
      inline
      • term
        Concept
        t87628006|bacterial
        infectious
        disease|
        scg-expression
        ShowFormat
        ShowParts
        inline
        term
        Concept
        t116680003|is
        a|
        scg-expression
        ShowFormat
        ShowParts
        inline
        term
        Concept
        t40733004|infectious
        disease|
        • Anchor
          _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__d
          _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__d
          scg-expression
          Concept
          ShowParts
          t
          term
          40733004|infectious
          disease|
          scg-expression
          ShowFormat
          ShowParts
          inline
          term
          Concept
          t116680003|is
          a|
          scg-expression
          ShowFormat
          ShowParts
          inline
          term
          Concept
          t64572001|disease|
          • Anchor
            _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__e
            _0e7ff052-9e2f-4878-bbed-2dbd7523cbfb__e
            scg-expression
            Concept
            ShowParts
            t
            term
            64572001|disease|
            scg-expression
            ShowFormat
            ShowParts
            inline
            term
            Concept
            t116680003|is
            a|
            scg-expression
            ShowFormat
            ShowParts
            inline
            term
            Concept
            t138875005|SNOMED
            CT
            Concept|

Figure 2. Inverted hierarchical view of the Supertypes of

53084003
Scg expression
ShowPartsid
Caption figure
I nverted hierarchical view of the Supertypes ofidINLINE53084003|Bacterial pneumonia (disorder)|

...