# Search Parameters Observation Defined - KR Core Implementation Guide v2.0.0

* [**Table of Contents**](toc.md)
* **Search Parameters Observation Defined**

## Search Parameters Observation Defined

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| *Page standards status:*[Informative](http://hl7.org/fhir/R4/versions.html#std-process) |

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| [issued](SearchParameter-krcore-sp-observation-issued.md) | [datetime](http://hl7.org/fhir/r4/search.html#datetime) | 관찰 및 측정 보고 일시 | Observation.issued | SHOULD |

