codeId
The code value within a code system, expressed as a string literal. Combined with a codesystemIdentifier it uniquely identifies a clinical concept code, such as a SNOMED CT or LOINC code.
Examples
SNOMED CT code
code "Diabetes mellitus type 2": '44054006' from "SNOMED-CT"
LOINC code
code "HbA1c": '4548-4' from "LOINC"
ICD-10 code
code "T2DM ICD": 'E11' from "ICD-10-CM"
EBNF
codeId : STRING ;