> ## Documentation Index
> Fetch the complete documentation index at: https://help.elationhealth.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Ask On Entry (OBX)

Ask On Entry Questions (AOE)

Each AOE question will get a sequence number starting at 1. `OBXs` will be associated with the corresponding tests via OBX-13 == OBR-4

| seq | type    | opt | description                                                                                                                                      | value |
| --- | ------- | --- | ------------------------------------------------------------------------------------------------------------------------------------------------ | ----- |
| 1   |         | R   | Sequence Number                                                                                                                                  |       |
| 2   | char(2) | R   | Value Type: ST (text) or NM (numeric)                                                                                                            |       |
| 3.1 |         | R   | Question Code                                                                                                                                    |       |
| 3.2 |         | R   | Question Description                                                                                                                             |       |
| 4.1 |         | O   | Answer/Choice Code. Blank if this is a non-enumerated question. Like "Favorite number" in example                                                |       |
| 4.2 |         | R   | Answer                                                                                                                                           |       |
| 13  |         | R   | This is the corresponding OBR-4 for this AOE answer. Use this field to distinguish answers with the same codes for differing tests. See example. |       |

<CodeGroup>
  ```text text theme={null}
  OBX|1|ST|BLSRCE^BLOOD LEAD SOURCE|ACODE2^VEIN|||||||||555555^LEAD TESTPEDIATRIC^L
  OBX|2|NM|NUM^FAVORITE NUMBER|^23|||||||||555555^LEAD TEST PEDIATRIC^L
  OBX|3|NM|NUM^FAVORITE NUMBER|^7|||||||||999999^OTHER TEST^L
  ```
</CodeGroup>