# refsetId (field)

A field in a Reference Set which uniquely Identifier which refers to the component to which a row in the Reference Set applies.

Note: This field is present in all types of Reference Sets and its data type is SCTID. It links together all the members of a Reference Set and refers to a concept that names the Reference Set .

## Related Links

* [Basic Reference Set Member File Format](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/reference-set-release-file-specification/5.1.1-basic-reference-set-member-file-format)
* [Reference Set Types](https://github.com/SNOMED-Documents/snomed-release-file-specification/blob/main/5%20reference-set-release-files-specification/5.2%20reference-set-types)
* [Simple Reference Set](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/reference-set-release-file-specification/5.2-reference-set-types/5.2.1-content-reference-sets/5.2.1.1-simple-reference-set)

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