1. V3DTs: Real World Concepts January 25, 1999 Orlando, FL

2. Real World Concept Types zCode Value zCode Phrase zCode Translation zConcept Descriptor

3. Code Value (definition) zvalue (Character String, conditional) zcode system (code, required) zcode system version (Character String, optional) zprint name (Character String, optional) zreplacement (Character String, conditional) zCondition: An instance of a code value will contain either a value or a replacement, but not both.

4. Code Value (example 1) Patient Blood Type == Code Value { value F-D1111, code-system SMI -- from a table code-system-version 3.4 print-name Blood group A }

5. Code Value (example 2a) Patient Sex == Code Value { value M, code-system HL70001 code-system-version 3.0 print-name Male }

6. Code Value (example 2b) Tetanus Special Circumstances == Code Value { value 3, code-system DEEDS4.31 -- subpart needed? code-system-version 1.0 print-name only the year is known }

7. Code Value (example 3) Patient Sex == Code Value { code-system HL70001 code-system-version 3.0 replacement Male Pseudo-hermaphrodite } zDesired value is not a member of the coding system

8. Code Value (incorrect 4) Patient Sex == Code Value { value MPH code-system HL70001 code-system-version 3.0 replacement Male Pseudo-hermaphrodite } zValue and Replacement should not be present at the same time.

9. Code Value (example 5) Patient Blood Type == Code Value { value F-D1111, code-system SMI -- from a table } zCode System Version and Print Name are not required.

10. Code Phrase (definition) zORDERED LIST OF Code Value

11. Code Phrase (example 1) Body Location == Code Phrase { { value R code-system 99Lab -- A Local coding system print-name right } { value ARM code-system 99Lab print-name arm } } zNote that the roles (side, body part) of these items are not specified. Roles can be specified by making separate coded fields in a message.

12. Code Phrase (example 2) Body Location == Code Phrase { {value R code-system 99Lab -- A Local coding system print-name right } {code-system 99Lab replacement anterior axillary fold } } zA Code Phrase can consist of a true code and a replacement code as part of the same ordered list.

13. Code Translation (definition) zterm (Code Phrase, required) zorigin (reference to Code Translation, required) zproducer (TII, optional) zquality (floating point number, optional) zlabel (Character String, optional) (Examples are shown with Concept Descriptor)

14. Concept Descriptor (definition) zSET OF Code Translation (required) zOriginal Text (Free Text, optional)

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16. Questions/Issues zHow do we indicate CNE, CWE? zWhich type(s) are assigned to a RIM attribute? Can one coded type be substituted for another coded type? zCan no information type be substituted for the types within types, or only for the whole field? zConformance requirements for coded fields zAllow local coding schemes? zStrategy for negation (Not)