> ## 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.

# The Lab Order Set Object

```json theme={null}
{
    "compendium_code": "DLO",
    "content": {
        "id": 140754512117861,
        "stat_method": "",
        "patient_instructions": "",
        "test_center_notes": "",
        "fasting_method": "fasting_random",
        "standing_order_frequency": "",
        "standing_order_end_date": null,
        "collection_datetime": null,
        "icd10_codes": [],
        "tests": [
            {
              "id": 140748306251838,
              "name": "TSH",
              "code": "",
              "procedure_class": null,
              "practice_created": null,
              "lab_vendor": null,
              "compendium": null,
              "cpts": [],
              "synonyms": [],
              "questions": [],
              "created_date": "2020-01-27T16:17:43Z",
              "deleted_date": null
            }
          ]
    },
    "created_date": "2021-05-11T21:16:23Z",
    "deleted_date": "2021-05-11T21:16:23Z",
    "id": 24507383904,
    "lab_vendor": 67191701750,
    "name": "Diabetes - Annual  (Order Set)",
    "practice": 1407566602
}
```

|                                    |                         |                                                                                                                                   |                                                                                                                                                                                                                                            |
| :--------------------------------- | :---------------------- | :-------------------------------------------------------------------------------------------------------------------------------- | :----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| compendium\_code                   | string                  |                                                                                                                                   |                                                                                                                                                                                                                                            |
| content.id                         | integer                 |                                                                                                                                   |                                                                                                                                                                                                                                            |
| content.stat\_method               | string                  | 'wet\_reading\_phone',  'wet\_reading\_fax',  'stat\_phone',  <br />'stat\_fax',  'stat\_phone\_fax'                              |                                                                                                                                                                                                                                            |
| content.patient\_instructions      | string                  |                                                                                                                                   | Notes for patient.                                                                                                                                                                                                                         |
| content.test\_center\_notes        | string                  |                                                                                                                                   | Notes for Lab.                                                                                                                                                                                                                             |
| content.fasting\_method            | string                  | 'fasting\_12\_hour',  <br /> 'fasting\_8\_hours',  <br /> 'fasting\_2\_hours',  <br /> 'fasting\_none',  <br /> 'fasting\_random' | Instructions for patient and lab on how long they should fast before specimen collection.                                                                                                                                                  |
| content.standing\_order\_frequency | string(50)              |                                                                                                                                   | Number of times order should be performed on a standing basis.                                                                                                                                                                             |
| content.standing\_order\_end\_date | date                    |                                                                                                                                   | Date at which standing order should be canceled.                                                                                                                                                                                           |
| content.collection\_datetime       | datetime                |                                                                                                                                   | If lab specimen collection is done onsite, this is the time at which the collection was taken.                                                                                                                                             |
| content.icd10\_codes               | List of ICD10 codes     |                                                                                                                                   | ICD10 diagnosis codes provided along with the order.                                                                                                                                                                                       |
| tests                              | List of Lab Order Tests |                                                                                                                                   | The list of tests that should be performed by the lab.  <br />  <br />Must all be either from the same compendium or no compendium.                                                                                                        |
| tests.id                           | integer                 |                                                                                                                                   | The id of the Lab Order Test.                                                                                                                                                                                                              |
| tests.name                         | string(255)             |                                                                                                                                   | The name of the Lab Order Test.                                                                                                                                                                                                            |
| tests.code                         | string(50)              |                                                                                                                                   | Any code associated with the test, usually provided by the lab vendor's compendium.                                                                                                                                                        |
| tests.procedure\_class             | string(50)              |                                                                                                                                   | Code provided by specific compendiums that indicate the "class" of test, e.g. histology vs cytology.  <br />  <br />Some lab vendors require that tests with specific procedure classes need to ordered separately.                        |
| tests.practice\_created            | integer                 |                                                                                                                                   | The id of the practice that created the test if practice created.                                                                                                                                                                          |
| tests.lab\_vendor                  | integer                 |                                                                                                                                   | The id of the lab vendor who provides the lab order test.                                                                                                                                                                                  |
| tests.compendium                   | integer                 |                                                                                                                                   | The id of the compendium provided the lab vendor that provides the lab order test.  <br />  <br />All tests in the same order **MUST** share the same compendium.                                                                          |
| tests.cpts                         | List\[integer]          |                                                                                                                                   | A list of CPT codes associated with the lab order test.                                                                                                                                                                                    |
| tests.synonyms                     | List\[string]           |                                                                                                                                   | A list of synonyms that are useful when searching for a specific test.                                                                                                                                                                     |
| tests.questions                    | List\[AOEQuestion]      |                                                                                                                                   | A list of Ask on Entry (AOE) Questions that need to be answered by the orderer when creating the order.                                                                                                                                    |
| tests.created\_date                | datetime                |                                                                                                                                   | Time at which Elation created this Lab Order Test.                                                                                                                                                                                         |
| tests.deleted\_date                | datetime                |                                                                                                                                   | Time at which this Lab Order Test was deleted.  <br />  <br />Can happen when a lab order compendium update deprecates a test.                                                                                                             |
| created\_date                      | datetime                |                                                                                                                                   | Time at which elation created this order.  <br />  <br />Can be different from chart\_date when the order was imported into a chart from a different source and document\_date when documenting an order that happened at some other time. |
| document\_date                     | datetime                |                                                                                                                                   | Time at which this order was created in whichever system created it. Could be historical or same as the create\_date.                                                                                                                      |
| id                                 | integer                 |                                                                                                                                   | The id of the lab order set in Elation's systems.  <br />  <br />Will be unique.                                                                                                                                                           |
| lab\_vendor                        | integer                 |                                                                                                                                   |                                                                                                                                                                                                                                            |
| name                               | string                  |                                                                                                                                   | The name of the lab order set.                                                                                                                                                                                                             |
| practice                           | integer                 |                                                                                                                                   |                                                                                                                                                                                                                                            |