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Definition

A code set representing whether an individual was referred to an ophthalmologist.

Representation

Data Type Number
Format N
Maximum character length 1

Values

Value Meaning Start Date End Date
Permissible Values 2 No, not referred to an ophthalmologist
1 Yes, referred to an ophthalmologist
Supplementary Values 9 Not stated/inadequately described

References

Related content

Relation Count
Data Elements implementing this Value Domain 1