# Lab observation HSV 1 IgM titer - Order Catalog Implementation Guide v1.0.0

* [**Table Content**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **Lab observation HSV 1 IgM titer**

## Example ObservationDefinition: Lab observation HSV 1 IgM titer

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

Language: en-US

Profile: [Laboratory Observation Definition](StructureDefinition-LabObservationDefinition.md)

**status**: Active

**category**: Laboratory

**code**: Herpes simplex virus 1 IgM Ab [Titer] in Serum by Immunofluorescence

**permittedDataType**: Quantity

**multipleResultsAllowed**: false

**permittedUnit**: [UCUM: {titer}](http://tx.fhir.org/r5/ValueSet/x-ucum#x-ucum-.123titer.125) ({titer})



## Resource Content

```json
{
  "resourceType" : "ObservationDefinition",
  "id" : "example-observation-hsv1igmt",
  "meta" : {
    "profile" : ["http://hl7.org/fhir/uv/order-catalog/StructureDefinition/LabObservationDefinition"]
  },
  "language" : "en-US",
  "status" : "active",
  "category" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
      "code" : "laboratory",
      "display" : "Laboratory"
    }]
  }],
  "code" : {
    "coding" : [{
      "system" : "http://loinc.org",
      "code" : "50758-2",
      "display" : "Herpes simplex virus 1 IgM Ab [Titer] in Serum by Immunofluorescence"
    }]
  },
  "permittedDataType" : ["Quantity"],
  "multipleResultsAllowed" : false,
  "permittedUnit" : [{
    "system" : "http://unitsofmeasure.org",
    "code" : "{titer}"
  }]
}

```
