# E.8 Concept Enumerations for Reference Set Attribute Values

Subtypes of the 900000000001073010 | Attribute value| provide sets of values for use in specific attributes of specific types of reference sets. Exhibit E.8-1 shows some of the values in this part of the metadata hierarchy. Additionally branches of the hierarchy can be added to support new requirements for specific reference set types.

**Exhibit E.8-1: Reference Set Attribute Values**

|                                                                |
| -------------------------------------------------------------- |
| [900000000001073010](http://snomed.info/id/900000000001073010) |

***

<a href="https://docs.google.com/forms/d/e/1FAIpQLScTmbZIf0UEQwYDkY27EEWBkaiYkHSbR0_9DmFrMLXoQLyL7Q/viewform?usp=pp_url&#x26;entry.1767247133=Release+File+Specification&#x26;entry.670899847=E.8%20Concept%20Enumerations%20for%20Reference%20Set%20Attribute%20Values" class="button primary">Provide Feedback</a>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/appendices/appendix-e-concept-enumerations/e8-concept-enumerations-for-reference-set-attribute-values.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.