> ## 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.

# MedicationKnowledge

> Information about a medication that is used to support knowledge.

## Properties

| Name | Required | Type | Description |
| - | - | - | - |
| code | No | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md) | Code that identifies this medication |
| status | No | code | active / inactive / entered-in-error |
| manufacturer | No | Reference\<[Organization](https://docs.metriport.com/medical-api/fhir/resources/organization.md)> | Manufacturer of the item |
| doseForm | No | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md) | powder / tablets / capsule + |
| amount | No | [Quantity](https://docs.metriport.com/medical-api/fhir/data-types/quantity.md) | Amount of drug in package |
| synonym | No | string\[] | Additional names for a medication |
| relatedMedicationKnowledge | No | MedicationKnowledgeRelatedMedicationKnowledge | Associated or related medication information |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - type | Yes | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md) | Category of medicationKnowledge |
| - reference | Yes | Reference\<[MedicationKnowledge](https://docs.metriport.com/medical-api/fhir/resources/medicationknowledge)>\[] | Associated documentation about the associated medication knowledge |
| associatedMedication | No | Reference\<[Medication](https://docs.metriport.com/medical-api/fhir/resources/medication.md)>\[] | A medication resource that is associated with this medication |
| productType | No | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md)\[] | Category of the medication or product |
| monograph | No | MedicationKnowledgeMonograph | Associated documentation about the medication |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - type | No | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md) | The category of medication document |
| - source | No | Reference\<[DocumentReference](https://docs.metriport.com/medical-api/fhir/resources/documentreference.md) / [Media](https://docs.metriport.com/medical-api/fhir/resources/media)> | Associated documentation about the medication |
| ingredient | No | MedicationKnowledgeIngredient | Active or inactive ingredient |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - item\[x] | Yes | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md), Reference\<[Substance](https://docs.metriport.com/medical-api/fhir/resources/substance)> | Medication(s) or substance(s) contained in the medication |
| - isActive | No | boolean | Active ingredient indicator |
| - strength | No | [Ratio](https://docs.metriport.com/medical-api/fhir/data-types/ratio.md) | Quantity of ingredient present |
| preparationInstruction | No | markdown | The instructions for preparing the medication |
| intendedRoute | No | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md)\[] | The intended or approved route of administration |
| cost | No | MedicationKnowledgeCost | The pricing of the medication |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - type | Yes | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md) | The category of the cost information |
| - source | No | string | The source or owner for the price information |
| - cost | Yes | [Money](https://docs.metriport.com/medical-api/fhir/data-types/money.md) | The price of the medication |
| monitoringProgram | No | MedicationKnowledgeMonitoringProgram | Program under which a medication is reviewed |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - type | No | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md) | Type of program under which the medication is monitored |
| - name | No | string | Name of the reviewing program |
| administrationGuidelines | No | MedicationKnowledgeAdministrationGuidelines | Guidelines for administration of the medication |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - dosage | No | MedicationKnowledgeAdministrationGuidelinesDosage | Dosage for the medication for the specific guidelines |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - type | Yes | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md) | Type of dosage |
| - dosage | Yes | [Dosage](https://docs.metriport.com/medical-api/fhir/data-types/dosage.md)\[] | Dosage for the medication for the specific guidelines |
| - indication\[x] | No | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md), Reference\<[ObservationDefinition](https://docs.metriport.com/medical-api/fhir/resources/observationdefinition)> | Indication for use that apply to the specific administration guidelines |
| - patientCharacteristics | No | MedicationKnowledgeAdministrationGuidelinesPatientCharacteristics | Characteristics of the patient that are relevant to the administration guidelines |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - characteristic\[x] | Yes | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md), [Quantity](https://docs.metriport.com/medical-api/fhir/data-types/quantity.md) | Specific characteristic that is relevant to the administration guideline |
| - value | No | string\[] | The specific characteristic |
| medicineClassification | No | MedicationKnowledgeMedicineClassification | Categorization of the medication within a formulary or classification system |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - type | Yes | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md) | The type of category for the medication (for example, therapeutic classification, therapeutic sub-classification) |
| - classification | No | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md)\[] | Specific category assigned to the medication |
| packaging | No | MedicationKnowledgePackaging | Details about packaged medications |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - type | No | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md) | A code that defines the specific type of packaging that the medication can be found in |
| - quantity | No | [Quantity](https://docs.metriport.com/medical-api/fhir/data-types/quantity.md) | The number of product units the package would contain if fully loaded |
| drugCharacteristic | No | MedicationKnowledgeDrugCharacteristic | Specifies descriptive properties of the medicine |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - type | No | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md) | Code specifying the type of characteristic of medication |
| - value\[x] | No | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md), string, [Quantity](https://docs.metriport.com/medical-api/fhir/data-types/quantity.md), base64Binary | Description of the characteristic |
| contraindication | No | Reference\<[DetectedIssue](https://docs.metriport.com/medical-api/fhir/resources/detectedissue)>\[] | Potential clinical issue with or between medication(s) |
| regulatory | No | MedicationKnowledgeRegulatory | Regulatory information about a medication |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - regulatoryAuthority | Yes | Reference\<[Organization](https://docs.metriport.com/medical-api/fhir/resources/organization.md)> | Specifies the authority of the regulation |
| - substitution | No | MedicationKnowledgeRegulatorySubstitution | Specifies if changes are allowed when dispensing a medication from a regulatory perspective |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - type | Yes | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md) | Specifies the type of substitution allowed |
| - allowed | Yes | boolean | Specifies if regulation allows for changes in the medication when dispensing |
| - schedule | No | MedicationKnowledgeRegulatorySchedule | Specifies the schedule of a medication in jurisdiction |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - schedule | Yes | [CodeableConcept](https://docs.metriport.com/medical-api/fhir/data-types/codeableconcept.md) | Specifies the specific drug schedule |
| - maxDispense | No | MedicationKnowledgeRegulatoryMaxDispense | The maximum number of units of the medication that can be dispensed in a period |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - quantity | Yes | [Quantity](https://docs.metriport.com/medical-api/fhir/data-types/quantity.md) | The maximum number of units of the medication that can be dispensed |
| - period | No | [Duration](https://docs.metriport.com/medical-api/fhir/data-types/duration.md) | The period that applies to the maximum number of units |
| kinetics | No | MedicationKnowledgeKinetics | The time course of drug absorption, distribution, metabolism and excretion of a medication from the body |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - areaUnderCurve | No | [Quantity](https://docs.metriport.com/medical-api/fhir/data-types/quantity.md)\[] | The drug concentration measured at certain discrete points in time |
| - lethalDose50 | No | [Quantity](https://docs.metriport.com/medical-api/fhir/data-types/quantity.md)\[] | The median lethal dose of a drug |
| - halfLifePeriod | No | [Duration](https://docs.metriport.com/medical-api/fhir/data-types/duration.md) | Time required for concentration in the body to decrease by half |

## Search Parameters

| Name | Type | Description | Expression |
| - | - | - | - |
| classification | token | Specific category assigned to the medication | MedicationKnowledge.medicineClassification.classification |
| classification-type | token | The type of category for the medication (for example, therapeutic classification, therapeutic sub-classification) | MedicationKnowledge.medicineClassification.type |
| code | token | Code that identifies this medication | MedicationKnowledge.code |
| doseform | token | powder / tablets / capsule + | MedicationKnowledge.doseForm |
| ingredient | reference | Medication(s) or substance(s) contained in the medication | MedicationKnowledge.ingredient.item |
| ingredient-code | token | Medication(s) or substance(s) contained in the medication | MedicationKnowledge.ingredient.item |
| manufacturer | reference | Manufacturer of the item | MedicationKnowledge.manufacturer |
| monitoring-program-name | token | Name of the reviewing program | MedicationKnowledge.monitoringProgram.name |
| monitoring-program-type | token | Type of program under which the medication is monitored | MedicationKnowledge.monitoringProgram.type |
| monograph | reference | Associated documentation about the medication | MedicationKnowledge.monograph.source |
| monograph-type | token | The category of medication document | MedicationKnowledge.monograph.type |
| source-cost | token | The source or owner for the price information | MedicationKnowledge.cost.source |
| status | token | active / inactive / entered-in-error | MedicationKnowledge.status |

## Inherited Properties

| Name | Required | Type | Description |
| - | - | - | - |
| id | No | string | Logical id of this artifact |
| meta | No | [Meta](https://docs.metriport.com/medical-api/fhir/data-types/meta.md) | 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](https://docs.metriport.com/medical-api/fhir/data-types/narrative.md) | Text summary of the resource, for human interpretation |
| contained | No | Resource\[] | Contained, inline Resources |
| extension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| modifierExtension | No | [Extension](https://docs.metriport.com/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored |

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


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