archetype (adl_version=1.4; uid=7408df46-2ce1-495a-b0dc-5e34c5615464)
	openEHR-EHR-CLUSTER.amount-range.v0
specialise
	openEHR-EHR-CLUSTER.amount.v1

concept
	[at0000.1]	-- Amount of medication as a range
language
	original_language = <[ISO_639-1::en]>
description
	original_author = <
		["name"] = <"Sam Heard">
		["organisation"] = <"NEHTA">
		["email"] = <"sam.heard@oceaninformatics.com">
		["date"] = <"10/11/2010">
	>
	details = <
		["en"] = <
			language = <[ISO_639-1::en]>
			purpose = <"To describe the amount of a substance as a range for use in Medication INSTRUCTION. Allows structured statement such as take 1 - 2 tablets (every four hours as required).">
			use = <"In INSTRUCTION medication for the range of amount to be administered.">
			keywords = <"amount", "dose", "dosing", "range", "maximum dose", "minimum dose">
			misuse = <"Should only be used in an order, not administration or dispensing.">
			copyright = <"© Nasjonal IKT HF">
		>
	>
	lifecycle_state = <"in_development">
	other_contributors = <>
	other_details = <
		["licence"] = <"This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/4.0/.">
		["revision"] = <"0.0.1-alpha">
		["build_uid"] = <"f5ce0b30-66a8-4609-bcc7-d80cab579e6c">
		["original_namespace"] = <"no.nasjonalikt">
		["original_publisher"] = <"Nasjonal IKT">
		["MD5-CAM-1.0.1"] = <"08A044C6E81EF06F3DCF557F149EC22A">
		["custodian_namespace"] = <"no.nasjonalikt">
		["custodian_organisation"] = <"Nasjonal IKT">
	>

definition
	CLUSTER[at0000.1] matches {	-- Amount of medication as a range
		items cardinality matches {2..*; unordered} matches {
			ELEMENT[at0001.1] matches {	-- Upper quantity
				value matches {
					DV_COUNT matches {
						magnitude matches {|>=1|}
					}
					DV_PROPORTION matches {
						numerator matches {|>=0.0|}
						denominator matches {|>0.0|}
					}
				}
			}
			ELEMENT[at0.3] matches {	-- Lower quantity
				value matches {
					DV_COUNT matches {
						magnitude matches {|>=1|}
					}
					DV_PROPORTION matches {
						numerator matches {|>=0.0|}
						denominator matches {|>0.0|}
					}
				}
			}
			ELEMENT[at0002] occurrences matches {0..1} matches {	-- Dose unit
				value matches {
					DV_CODED_TEXT matches {
						defining_code matches {[ac0001]}		-- Dose Unit
					}
				}
			}
			ELEMENT[at0003] occurrences matches {0..1} matches {	-- Quantity description
				value matches {
					DV_TEXT matches {*}
				}
			}
		}
	}

ontology
	term_definitions = <
		["en"] = <
			items = <
				["at0.3"] = <
					text = <"Lower quantity">
					description = <"The lower range of amount.">
				>
				["at0000"] = <
					text = <"The amount of substance">
					description = <"The amount of a substance for medication order, administration, dispensing etc.">
				>
				["at0000.1"] = <
					text = <"Amount of medication as a range">
					description = <"The amount of a substance as a range (upper and lower) for medication order, administration, dispensing etc.">
				>
				["at0001"] = <
					text = <"Quantity">
					description = <"The upper range of quantity, number or proportion.">
				>
				["at0001.1"] = <
					text = <"Upper quantity">
					description = <"The upper range of quantity, number or proportion.">
				>
				["at0002"] = <
					text = <"Dose unit">
					description = <"The dose unit of this amount.">
				>
				["at0003"] = <
					text = <"Quantity description">
					description = <"Free text description of the amount which may consist of the quantity and dose unit.">
				>
			>
		>
	>
	constraint_definitions = <
		["en"] = <
			items = <
				["ac0001"] = <
					text = <"Dose Unit">
					description = <"Tablets, Capsules, Sachets, mg, L etc.">
				>
			>
		>
	>