# Lab observation vitamin D - Order Catalog Implementation Guide v1.0.0

* [**Table Content**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **Lab observation vitamin D**

## Example ObservationDefinition: Lab observation vitamin D

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| :--- |
| *Page standards status:*[Informative](http://hl7.org/fhir/R5/versions.html#std-process) |

**Observation Definition - Vitamin D serum test:**

Medical biology test: Vitamin D assay in blood serum

Category: laboratory

Identification: 14635-7 |25-hydroxyvitamin D3 [Moles/volume] in Serum or Plasma| (http://loinc.org)

Permitted result types: quantitative, textual

Multiple results: no

Preferred report name: Vitamin D

Unit of measure: pmol/L (http://unitsofmeasure.org)



## Resource Content

```json
{
  "resourceType" : "ObservationDefinition",
  "id" : "example-observation-vitamin-d",
  "meta" : {
    "profile" : ["http://hl7.org/fhir/uv/order-catalog/StructureDefinition/LabObservationDefinition"]
  },
  "language" : "en",
  "status" : "active",
  "category" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
      "code" : "laboratory",
      "display" : "Laboratory"
    }]
  }],
  "code" : {
    "coding" : [{
      "system" : "http://loinc.org",
      "code" : "14635-7",
      "display" : "25-hydroxyvitamin D3 [Moles/volume] in Serum or Plasma"
    }]
  },
  "permittedDataType" : ["Quantity", "string"],
  "multipleResultsAllowed" : false,
  "preferredReportName" : "Vitamin D",
  "permittedUnit" : [{
    "system" : "http://unitsofmeasure.org",
    "code" : "pmol/L"
  }]
}

```
