MedicationAdministration REST Endpoints

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Description

MedicationAdministration

This topic describes information for the MedicationAdministration resource.

Overview

The MedicationAdministration resource provides information about medications administered to a patient or consumed by a patient including injections, intravenous solutions, and self-administered oral medications. You can use this resource to search for full administration details for vaccinations administered by the current healthcare system. For historically administered vaccines, or vaccines administered by other healthcare disciplines, care settings, or regions, you must use the Immunization resource to create or retrieve information.

Important: Infuse or bolus administration results for continuous infusion orders may require additional calculations to determine the actual amount of medication administered per ingredient. An additional calculation is required when the dosage dose does not equal the contained medication ingredient strength denominator. In this case, calculate the ratio between the ingredient's numerator divided by the denominator and multiply by dosage dose. This result is the actual amount of medication administered.

The following fields are returned if valued:

• MedicationAdministration ID

• Infuse Over Time Extension (for more information, see the Extensions section of this topic)

• Status

• StatusReason

• Medication

• Subject

• Context

• Effective

• Performer

• Request

• Note

• Dosage

  • Body Site

  • Route

  • Dose

  • Rate

MedicationAdministration.medication may be a reference to a contained medication when the medication cannot be represented by a CodeableConcept because it contains a unique combination of ingredients. Medications in the system always exist in the context of a medication administration and cannot be referenced independently.

Terminology Bindings

• MedicationAdministration.status

  Description: The medication administration status.

  Details: MedicationAdministration Status

  System: http://terminology.hl7.org/CodeSystem/medication-admin-status

• MedicationAdministration.statusReason

  Description: A code indicating why the administration was not performed.

  Details: MedicationAdministration Status Reason Codes

  System: http://snomed.info/sct

• MedicationAdministration.medicationCodeableConcept

  Description: A code that defines the medication that was administered.

  Details: RxNorm

  System: http://www.nlm.nih.gov/research/umls/rxnorm

• MedicationAdministration.performer.function

  Description: Distinguishes the peformer's type of involvement in the medication administration.

  Details: Medication administration performer function codes

  System: http://terminology.hl7.org/CodeSystem/med-admin-perform-function

• MedicationAdministration.dosage.site

  Description: A coded specification of the anatomic site where the medication first entered the body.

  Details: SNOMED CT

  System: http://snomed.info/sct

• MedicationAdministration.dosage.route

  Description: The route or physiological path of administration of a therapeutic agent into or onto the body of a subject.

  Details: SNOMED CT

  System: http://snomed.info/sct

Contained Medication Bindings

• Medication.code

  Description: A code that defines the medication.

  Details: RxNorm

  System: http://www.nlm.nih.gov/research/umls/rxnorm

Extensions

All URLs for custom extensions are defined as https://fhir-ehr.cerner.com/r4/StructureDefinition/{id}

Table - Extensions

ID	Value[x] Type	Description
infuse-over-time	Quantity	The length of time in minutes it took to infuse a medication.

MedicationAdministration

The operations from the MedicationAdministration category.

Get a list of medication administrations

Method: get

Path: /MedicationAdministration

Get a medication administration by ID

Method: get

Path: /MedicationAdministration/{ID}