Hello; I am using a custom class extending CodeTableDetail (actually it extends CodeTableTranslated) for a MedicalClaimLine.Extension property for a Procedure Modifier value, in addition to the existing MedicalClaimLine.ProcedureModifierItems property (this is a list of %String). This works very well, stored AND translated correctly, until a valid ProcedureModifier value is used that is all punctuation: ##, **, or ++.