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

# SpecimenDefinition

> A kind of specimen with associated set of requirements.

## Properties

| Name                   | Required | Type                                                                                                                            | Description                                            |
| ---------------------- | -------- | ------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------ |
| identifier             | No       | [Identifier](/medical-api/fhir/data-types/identifier)                                                                           | Business identifier of a kind of specimen              |
| typeCollected          | No       | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)                                                                 | Kind of material to collect                            |
| patientPreparation     | No       | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[]                                                              | Patient preparation for collection                     |
| timeAspect             | No       | string                                                                                                                          | Time aspect for collection                             |
| collection             | No       | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[]                                                              | Specimen collection procedure                          |
| typeTested             | No       | SpecimenDefinitionTypeTested                                                                                                    | Specimen in container intended for testing by lab      |
| - id                   | No       | string                                                                                                                          | Unique id for inter-element referencing                |
| - extension            | No       | [Extension](/medical-api/fhir/data-types/extension)\[]                                                                          | Additional content defined by implementations          |
| - modifierExtension    | No       | [Extension](/medical-api/fhir/data-types/extension)\[]                                                                          | Extensions that cannot be ignored even if unrecognized |
| - isDerived            | No       | boolean                                                                                                                         | Primary or secondary specimen                          |
| - type                 | No       | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)                                                                 | Type of intended specimen                              |
| - preference           | Yes      | code                                                                                                                            | preferred / alternate                                  |
| - container            | No       | SpecimenDefinitionTypeTestedContainer                                                                                           | The specimen's container                               |
| - id                   | No       | string                                                                                                                          | Unique id for inter-element referencing                |
| - extension            | No       | [Extension](/medical-api/fhir/data-types/extension)\[]                                                                          | Additional content defined by implementations          |
| - modifierExtension    | No       | [Extension](/medical-api/fhir/data-types/extension)\[]                                                                          | Extensions that cannot be ignored even if unrecognized |
| - material             | No       | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)                                                                 | Container material                                     |
| - type                 | No       | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)                                                                 | Kind of container associated with the kind of specimen |
| - cap                  | No       | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)                                                                 | Color of container cap                                 |
| - description          | No       | string                                                                                                                          | Container description                                  |
| - capacity             | No       | [Quantity](/medical-api/fhir/data-types/quantity)                                                                               | Container capacity                                     |
| - minimumVolume\[x]    | No       | [Quantity](/medical-api/fhir/data-types/quantity), string                                                                       | Minimum volume                                         |
| - additive             | No       | SpecimenDefinitionTypeTestedContainerAdditive                                                                                   | Additive associated with container                     |
| - id                   | No       | string                                                                                                                          | Unique id for inter-element referencing                |
| - extension            | No       | [Extension](/medical-api/fhir/data-types/extension)\[]                                                                          | Additional content defined by implementations          |
| - modifierExtension    | No       | [Extension](/medical-api/fhir/data-types/extension)\[]                                                                          | Extensions that cannot be ignored even if unrecognized |
| - additive\[x]         | Yes      | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept), Reference\<[Substance](/medical-api/fhir/resources/substance)> | Additive associated with container                     |
| - preparation          | No       | string                                                                                                                          | Specimen container preparation                         |
| - requirement          | No       | string                                                                                                                          | Specimen requirements                                  |
| - retentionTime        | No       | [Duration](/medical-api/fhir/data-types/duration)                                                                               | Specimen retention time                                |
| - rejectionCriterion   | No       | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[]                                                              | Rejection criterion                                    |
| - handling             | No       | SpecimenDefinitionTypeTestedHandling                                                                                            | Specimen handling before testing                       |
| - id                   | No       | string                                                                                                                          | Unique id for inter-element referencing                |
| - extension            | No       | [Extension](/medical-api/fhir/data-types/extension)\[]                                                                          | Additional content defined by implementations          |
| - modifierExtension    | No       | [Extension](/medical-api/fhir/data-types/extension)\[]                                                                          | Extensions that cannot be ignored even if unrecognized |
| - temperatureQualifier | No       | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)                                                                 | Temperature qualifier                                  |
| - temperatureRange     | No       | [Range](/medical-api/fhir/data-types/range)                                                                                     | Temperature range                                      |
| - maxDuration          | No       | [Duration](/medical-api/fhir/data-types/duration)                                                                               | Maximum preservation time                              |
| - instruction          | No       | string                                                                                                                          | Preservation instruction                               |

## Search Parameters

| Name       | Type  | Description                                                       | Expression                                   |
| ---------- | ----- | ----------------------------------------------------------------- | -------------------------------------------- |
| container  | token | The type of specimen conditioned in container expected by the lab | SpecimenDefinition.typeTested.container.type |
| identifier | token | The unique identifier associated with the specimen                | SpecimenDefinition.identifier                |
| type       | token | The type of collected specimen                                    | SpecimenDefinition.typeCollected             |

## Inherited Properties

| Name              | Required | Type                                                   | Description                                            |
| ----------------- | -------- | ------------------------------------------------------ | ------------------------------------------------------ |
| id                | No       | string                                                 | Logical id of this artifact                            |
| meta              | No       | [Meta](/medical-api/fhir/data-types/meta)              | Metadata about the resource                            |
| implicitRules     | No       | uri                                                    | A set of rules under which this content was created    |
| language          | No       | code                                                   | Language of the resource content                       |
| text              | No       | [Narrative](/medical-api/fhir/data-types/narrative)    | Text summary of the resource, for human interpretation |
| contained         | No       | Resource\[]                                            | Contained, inline Resources                            |
| extension         | No       | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations          |
| modifierExtension | No       | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored                      |

To view the FHIR specification for this resource, see [SpecimenDefinition](https://www.hl7.org/fhir/StructureDefinition/SpecimenDefinition).