An ingredient of a manufactured item or pharmaceutical product.

### Elements

| Name                      | Required | Type                                                                                                                       | Description                                                                                                                                |
|---------------------------|----------|----------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------|
| identifier                |          | [Identifier](/content/docs/api/fhir/datatypes/identifier/index.html)                                                  | Identifier for the ingredient<br>Details<br>The identifier(s) of this Ingredient that are assigned by business processes and/or used to refer to it when a direct URL reference to the resource itself is not appropriate. |
| role                      | ✓        | [CodeableConcept](/content/docs/api/fhir/datatypes/codeableconcept/index.html)                                       | Ingredient role e.g. Active ingredient, excipient<br>Details<br>Ingredient role e.g. Active ingredient, excipient.                         |
| allergenicIndicator       |          | boolean                                                                                                                    | If the ingredient is a known or suspected allergen<br>Details<br>If the ingredient is a known or suspected allergen.                         |
| manufacturer              |          | Reference< [Organization](/content/docs/api/fhir/resources/organization/index.html) >[]                               | Manufacturer of this Ingredient<br>Details<br>Manufacturer of this Ingredient.                                                            |
| specifiedSubstance        |          | MedicinalProductIngredientSpecifiedSubstance[]                                                                             | A specified substance that comprises this ingredient<br>Details<br>A specified substance that comprises this ingredient.                   |
| id                        |          | string                                                                                                                     | Unique id for inter-element referencing<br>Details<br>Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.  |
| extension                 |          | [Extension](/content/docs/api/fhir/datatypes/extension/index.html)[]                                                  | Additional content defined by implementations<br>Details<br>May be used to represent additional information that is not part of the basic definition of the element.                               |
| modifierExtension         |          | [Extension](/content/docs/api/fhir/datatypes/extension/index.html)[]                                                  | Extensions that cannot be ignored even if unrecognized<br>Details<br>May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained. |
| code                      | ✓        | [CodeableConcept](/content/docs/api/fhir/datatypes/codeableconcept/index.html)                                       | The specified substance<br>Details<br>The specified substance.                                                                            |
| group                     | ✓        | [CodeableConcept](/content/docs/api/fhir/datatypes/codeableconcept/index.html)                                       | The group of specified substance, e.g. group 1 to 4<br>Details<br>The group of specified substance, e.g. group 1 to 4.                   |
| confidentiality           |          | [CodeableConcept](/content/docs/api/fhir/datatypes/codeableconcept/index.html)                                       | Confidentiality level of the specified substance as the ingredient<br>Details<br>Confidentiality level of the specified substance as the ingredient. |
| strength                  |          | MedicinalProductIngredientSpecifiedSubstanceStrength[]                                                                     | Quantity of the substance or specified substance present in the manufactured item or pharmaceutical product<br>Details<br>Quantity of the substance or specified substance present in the manufactured item or pharmaceutical product. |
| presentation              | ✓        | [Ratio](/content/docs/api/fhir/datatypes/ratio/index.html)                                                           | The quantity of substance in the unit of presentation, or in the volume (or mass) of the single pharmaceutical product or manufactured item<br>Details<br>The quantity of substance in the unit of presentation, or in the volume (or mass) of the single pharmaceutical product or manufactured item. |
| presentationLowLimit      |          | [Ratio](/content/docs/api/fhir/datatypes/ratio/index.html)                                                           | A lower limit for the quantity of substance in the unit of presentation. For use when there is a range of strengths, this is the lower limit, with the presentation attribute becoming the upper limit<br>Details<br>A lower limit for the quantity of substance in the unit of presentation. For use when there is a range of strengths, this is the lower limit, with the presentation attribute becoming the upper limit. |
| concentration              |          | [Ratio](/content/docs/api/fhir/datatypes/ratio/index.html)                                                           | The strength per unitary volume (or mass)<br>Details<br>The strength per unitary volume (or mass).                                     |
| concentrationLowLimit      |          | [Ratio](/content/docs/api/fhir/datatypes/ratio/index.html)                                                           | A lower limit for the strength per unitary volume (or mass), for when there is a range. The concentration attribute then becomes the upper limit<br>Details<br>A lower limit for the strength per unitary volume (or mass), for when there is a range. The concentration attribute then becomes the upper limit. |
| measurementPoint          |          | string                                                                                                                     | For when strength is measured at a particular point or distance<br>Details<br>For when strength is measured at a particular point or distance. |
| country                   |          | [CodeableConcept](/content/docs/api/fhir/datatypes/codeableconcept/index.html)[]                                     | The country or countries for which the strength range applies<br>Details<br>The country or countries for which the strength range applies.  |
| referenceStrength         |          | MedicinalProductIngredientSpecifiedSubstanceStrengthReferenceStrength[]                                                    | Strength expressed in terms of a reference substance<br>Details<br>Strength expressed in terms of a reference substance.                     |
| substance                 |          | [CodeableConcept](/content/docs/api/fhir/datatypes/codeableconcept/index.html)                                       | Relevant reference substance<br>Details<br>Relevant reference substance.                                                                    |

### Search Parameters

_None_

### Inherited Elements

| Name                      | Required | Type                                                                                                                       | Description                                                                                                                                |
|---------------------------|----------|----------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------|
| id                        |          | string                                                                                                                     | Logical id of this artifact<br>Details<br>The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.                                                                                                                                                                                         |
| meta                      |          | [Meta](/content/docs/api/fhir/datatypes/meta/index.html)                                                             | Metadata about the resource<br>Details<br>The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.  |
| implicitRules             |          | uri                                                                                                                       | A set of rules under which this content was created<br>Details<br>A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content.  |
| language                  |          | code                                                                                                                      | Language of the resource content<br>Details<br>The base language in which the resource is written.                                         |
| text                      |          | [Narrative](/content/docs/api/fhir/datatypes/narrative/index.html)                                                  | Text summary of the resource, for human interpretation<br>Details<br>A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human.  |
| contained                 |          | Resource[]                                                                                                                | Contained, inline Resources<br>Details<br>These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.  |
| extension                 |          | [Extension](/content/docs/api/fhir/datatypes/extension/index.html)[]                                                  | Additional content defined by implementations<br>Details<br>May be used to represent additional information that is not part of the basic definition of the resource.  |
| modifierExtension         |          | [Extension](/content/docs/api/fhir/datatypes/extension/index.html)[]                                                  | Extensions that cannot be ignored<br>Details<br>May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants.  |
