SNOMED CT Editorial Guide

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Representation of radioactive isotopes

Modeling (stated view)

Parent concept

Most distal appropriate descendant of 89457008 |Radioactive isotope (substance)|

  • Exceptions: none

Most distal appropriate descendant of 33638001 |Isotope (substance)|

  • Exceptions: none
Semantic tag

(substance)

Definition status

900000000000074008 |Necessary but not sufficient concept definition status (core metadata concept)|

Exceptions: none

Attribute:

 Is

Modification738774007 | Is

modification of

  • Range  <105590001 |Substance (substance)|
  • Cardinality: 0..*
  • Exceptions: none identified
    • One relationship to be created to represent each modified component of the substance

    Attribute:

     Has disposition

    • Range:  <726711005 |Disposition (disposition) |
      • NOTE: While the allowed range is broader, substance concepts should only use descendants of the concept 726711005 |Disposition (disposition)| as the attribute value.
    • Cardinality: 0..1
  • Exceptions: none identified

    • Naming Guidelines

    Superscripts should not be used in either Fully Specified Name, Preferred Term, or Synonyms.

    FSN

    Pattern:

    • [name of isotope]-[atomic number] (substance)
    Example:

    For example,

        • Gallium-67 (substance)

    Preferred Term

    Pattern:

    [name of isotope]-[atomic number]

    Example:

    For example,

        • Gallium-67

    Synonyms

    Pattern:

    • [atomic number]-[chemical symbol]
    Example:

    For example,

        • 67-Ga


    No synonyms should exist using the superscript notation.


    Exemplar

    The following illustrates the hierarchy view:

    ...

    Representation of radioisotope with salt

    Modeling (stated view)

    Parent concept

    Most distal appropriate descendant of 89457008 |Radioactive isotope (substance)|

    Exceptions: none

    Semantic tag

    (substance)

    Definition status

    900000000000074008 |Necessary but not sufficient concept definition status (core metadata concept)|

    Exceptions: none

    Attribute:

      Is modification

    738774007 | Is modification

    of

    • Range  <105590001 |Substance (substance)|
    • Cardinality: 0..*
  • Exceptions: none identified
    • One relationship to be created to represent each modified component of the substance

    Attribute:

     Has disposition

    • Range:  <726711005 |Disposition (disposition) |
    • NOTE: While the allowed range is broader, substance concepts should only use
    descendants of the concept 726711005
    • <726711005 |Disposition (disposition)| as the attribute value.
    • Cardinality: 0..1
    Exceptions: none identified

    Naming Guidelines

    Superscripts should not be used in either Fully Specified Name, Preferred Term, or Synonyms.

    Parentheses should be used to delineate the atomic number and chemical symbol from the rest of the terming, this aligns with INN.  

    FSN

    Pattern:

      [name of isotope] ([atomic number]-[chemical symbol]) [salt] (substance)

    Example:

    For example,

        • Gallium (67-Ga) citrate (substance)

    Preferred Term

    Pattern:

      [name of isotope] ([atomic number]-[chemical symbol]) [salt]

    Example:

    For example,

        • Gallium (67-Ga) citrate

    Synonyms

    Pattern:

    • none identified

    Exemplar - radioisotope with salt

    ...

    Representation of combined radioisotope substances

    Modeling (stated view)

    Parent concept

    Most distal appropriate descendant

    of 89457008

    of 89457008 |Radioactive isotope (substance)| and a second parent identifying the

    labelled

    labeled component

    • Exceptions: none
    Semantic tag

    (substance)

    Definition status

    900000000000074008 |Necessary but not sufficient concept definition status (core metadata concept)|

    • Exceptions: none

    Attribute

    Is modification

    738774007 |

    Attribute: Is modification of

    • Range  <105590001 |Substance (substance)|
    • Cardinality: 0..*
  • Exceptions: none identified
    • One relationship to be created to represent each modified component of the substance

    Attribute:

     Has disposition

    • Range:  <726711005 |Disposition (disposition) |
      • NOTE: While the allowed range is broader, substance concepts should only use
    descendants of the concept 726711005
      • <726711005 |Disposition (disposition)| as the attribute value.
    • Cardinality: 0..1
    Exceptions: none identified

    Naming Guidelines

    Superscripts should not be used in either Fully Specified Name, Preferred Term, or Synonyms.

    ...