// SPDX-FileCopyrightText: Copyright Orangebot, Inc. and Medplum contributors
// SPDX-License-Identifier: Apache-2.0
/*
 * This is a generated file
 * Do not edit manually.
 */

import type { Extension } from './Extension.d.ts';

/**
 * A reference to a code defined by a terminology system.
 */
export interface Coding {

  /**
   * Unique id for the element within a resource (for internal references).
   * This may be any string value that does not contain spaces.
   */
  id?: string;

  /**
   * May be used to represent additional information that is not part of
   * the basic definition of the element. To make the use of extensions
   * safe and manageable, there is a strict set of governance  applied to
   * the definition and use of extensions. Though any implementer can
   * define an extension, there is a set of requirements that SHALL be met
   * as part of the definition of the extension.
   */
  extension?: Extension[];

  /**
   * The identification of the code system that defines the meaning of the
   * symbol in the code.
   */
  system?: string;

  /**
   * The version of the code system which was used when choosing this code.
   * Note that a well-maintained code system does not need the version
   * reported, because the meaning of codes is consistent across versions.
   * However this cannot consistently be assured, and when the meaning is
   * not guaranteed to be consistent, the version SHOULD be exchanged.
   */
  version?: string;

  /**
   * A symbol in syntax defined by the system. The symbol may be a
   * predefined code or an expression in a syntax defined by the coding
   * system (e.g. post-coordination).
   */
  code?: string;

  /**
   * A representation of the meaning of the code in the system, following
   * the rules of the system.
   */
  display?: string;

  /**
   * Indicates that this coding was chosen by a user directly - e.g. off a
   * pick list of available items (codes or displays).
   */
  userSelected?: boolean;
}