---
title: Medication History for Populations Element Details
slug: medhistory-populations/guide/medication-history-for-populations-element-details
docTags: 
createdAt: 2026-06-10T15:15:45.219Z
---

This section defines the elements used to request and receive prescription notifications via the Medication History for Populations FHIR® API. It describes the data element requirement designations used throughout this guide, the required message structure for search requests, and the FHIR resources returned in the response.

Refer to the following topics for details:

- [HTTP Request Headers](docId\:R3Vlc9BquClUJTj-Z5wJl): The HTTP request headers that must be included with FHIR panel and prescription notification messages, including supported content type codes and encodings.
- [FHIR Request Parameters](docId:-orBsvdzoHjw47oPgdE2N): The parameters used in the notification search request, including participant identification, lookback window, and paging controls.
- [Medication History for Population Response FHIR Resource Details](docId\:jkU8_PDj3vSwirdmDqlxi): The FHIR resources returned in the search set response bundle, organized by resource type: Patient, Organization, Practitioner, MedicationRequest, MedicationDispense, Observation, Communication, and OperationOutcome.

Refer to the table below for requirement designations (mandatory, conditional, optional) used throughout the other tables in this section.

**Data Elements Requirement Designation:**

| **Code**     | **Description**                                                                                                                                                                      |
| ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| mandatory    | The element must be used per the specification (e.g., XML schema validation).<br />**Note:** The term mandatory applies to mandatory and required fields in the different standards. |
| conditional  | The element must be used per the conditions specified.<br />**Note:** The term conditional applies to conditional and situational fields in the different standards.                 |
| optional     | Some fields do not have specific conditions. Data should be sent if available.                                                                                                       |

:::hint{type="info"}
**Note:&#x20;**&#x54;his guide includes data elements only where Surescripts has specific requirements or further explains the field usage. Refer to the FHIR resource for a complete list of fields.
:::