/*
 * This is a generated file
 * Do not edit manually.
 */

import { CodeableConcept } from './CodeableConcept';
import { Extension } from './Extension';
import { Quantity } from './Quantity';
import { Range } from './Range';
import { Ratio } from './Ratio';
import { Timing } from './Timing';

/**
 * Indicates how the medication is/was taken or should be taken by the
 * patient.
 */
export interface Dosage {

  /**
   * 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[];

  /**
   * 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 and/or the
   * understanding of the containing element's descendants. Usually
   * modifier elements provide negation or qualification. 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.
   * Applications processing a resource are required to check for modifier
   * extensions.
   *
   * Modifier extensions SHALL NOT change the meaning of any elements on
   * Resource or DomainResource (including cannot change the meaning of
   * modifierExtension itself).
   */
  modifierExtension?: Extension[];

  /**
   * Indicates the order in which the dosage instructions should be applied
   * or interpreted.
   */
  sequence?: number;

  /**
   * Free text dosage instructions e.g. SIG.
   */
  text?: string;

  /**
   * Supplemental instructions to the patient on how to take the medication
   * (e.g. "with meals" or"take half to one hour before food") or warnings
   * for the patient about the medication (e.g. "may cause drowsiness" or
   * "avoid exposure of skin to direct sunlight or sunlamps").
   */
  additionalInstruction?: CodeableConcept[];

  /**
   * Instructions in terms that are understood by the patient or consumer.
   */
  patientInstruction?: string;

  /**
   * When medication should be administered.
   */
  timing?: Timing;

  /**
   * Indicates whether the Medication is only taken when needed within a
   * specific dosing schedule (Boolean option), or it indicates the
   * precondition for taking the Medication (CodeableConcept).
   */
  asNeededBoolean?: boolean;

  /**
   * Indicates whether the Medication is only taken when needed within a
   * specific dosing schedule (Boolean option), or it indicates the
   * precondition for taking the Medication (CodeableConcept).
   */
  asNeededCodeableConcept?: CodeableConcept;

  /**
   * Body site to administer to.
   */
  site?: CodeableConcept;

  /**
   * How drug should enter body.
   */
  route?: CodeableConcept;

  /**
   * Technique for administering medication.
   */
  method?: CodeableConcept;

  /**
   * The amount of medication administered.
   */
  doseAndRate?: DosageDoseAndRate[];

  /**
   * Upper limit on medication per unit of time.
   */
  maxDosePerPeriod?: Ratio;

  /**
   * Upper limit on medication per administration.
   */
  maxDosePerAdministration?: Quantity;

  /**
   * Upper limit on medication per lifetime of the patient.
   */
  maxDosePerLifetime?: Quantity;
}

/**
 * Indicates whether the Medication is only taken when needed within a
 * specific dosing schedule (Boolean option), or it indicates the
 * precondition for taking the Medication (CodeableConcept).
 */
export type DosageAsNeeded = boolean | CodeableConcept;

/**
 * The amount of medication administered.
 */
export interface DosageDoseAndRate {

  /**
   * 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 kind of dose or rate specified, for example, ordered or
   * calculated.
   */
  type?: CodeableConcept;

  /**
   * Amount of medication per dose.
   */
  doseRange?: Range;

  /**
   * Amount of medication per dose.
   */
  doseQuantity?: Quantity;

  /**
   * Amount of medication per unit of time.
   */
  rateRatio?: Ratio;

  /**
   * Amount of medication per unit of time.
   */
  rateRange?: Range;

  /**
   * Amount of medication per unit of time.
   */
  rateQuantity?: Quantity;
}

/**
 * Amount of medication per dose.
 */
export type DosageDoseAndRateDose = Quantity | Range;

/**
 * Amount of medication per unit of time.
 */
export type DosageDoseAndRateRate = Quantity | Range | Ratio;