archetype (adl_version=1.4; uid=a888ebed-95ad-3959-93d0-014aa34b6089)
	openEHR-EHR-OBSERVATION.easi_score.v0

concept
	[at0000]	-- EASI score
language
	original_language = <[ISO_639-1::en]>
description
	original_author = <
		["name"] = <"Ian McNicoll">
		["organisation"] = <"HANDIHealth,UK">
		["email"] = <"ian@handihealth.org">
		["date"] = <"2015-02-18">
	>
	details = <
		["en"] = <
			language = <[ISO_639-1::en]>
			purpose = <"To record details of the Atopic dermatitis EASI score.">
			use = <"">
			misuse = <"">
			copyright = <"© openEHR Foundation">
		>
	>
	lifecycle_state = <"in_development">
	other_contributors = <"Dmitri Wall, Irish Skin Foundation", ...>
	other_details = <
		["licence"] = <"This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/.">
		["custodian_organisation"] = <"openEHR Foundation">
		["original_namespace"] = <"org.openehr">
		["original_publisher"] = <"openEHR Foundation">
		["custodian_namespace"] = <"org.openehr">
		["MD5-CAM-1.0.1"] = <"7761D1DE43F2CD199FE62C495058E750">
		["build_uid"] = <"1715593a-6121-400e-b007-1472650c21aa">
		["revision"] = <"0.0.1-alpha">
	>

definition
	OBSERVATION[at0000] matches {    -- EASI score
		data matches {
			HISTORY[at0001] matches {    -- Event Series
				events cardinality matches {1..*; unordered} matches {
					EVENT[at0002] occurrences matches {0..*} matches {    -- Any event
						data matches {
							ITEM_TREE[at0003] matches {    -- Tree
								items cardinality matches {0..*; unordered} matches {
									CLUSTER[at0004] occurrences matches {0..*} matches {    -- Body area
										name matches {
											DV_CODED_TEXT matches {
												defining_code matches {
													[local::
													at0005,    -- Head and neck
													at0006,    -- Upper limbs
													at0007,    -- Trunk
													at0008]    -- Lower limbs
												}
											}
										}
										items cardinality matches {1..*; unordered} matches {
											ELEMENT[at0009] occurrences matches {0..*} matches {    -- Severity index
												name matches {
													DV_CODED_TEXT matches {
														defining_code matches {
															[local::
															at0010,    -- Redness
															at0011,    -- Thickness
															at0012,    -- Crusting
															at0013]    -- Lichenification
														}
													}
												}
												value matches {
													0|[local::at0014],
													1|[local::at0015],
													2|[local::at0016],
													3|[local::at0017]
												}
											}
											ELEMENT[at0018] occurrences matches {0..1} matches {    -- Affected area
												value matches {
													0|[local::at0019],
													1|[local::at0020],
													2|[local::at0021],
													3|[local::at0022],
													4|[local::at0023],
													5|[local::at0024]
												}
											}
										}
									}
									ELEMENT[at0025] occurrences matches {0..1} matches {    -- Total EASI score
										value matches {
											DV_COUNT matches {
												magnitude matches {|0..72|}
											}
										}
									}
								}
							}
						}
					}
				}
			}
		}
		protocol matches {
			ITEM_TREE[at0026] matches {    -- Item tree
				items cardinality matches {0..*; unordered} matches {
					allow_archetype CLUSTER[at0027] occurrences matches {0..*} matches {    -- Extension
						include
							archetype_id/value matches {/.*/}
					}
				}
			}
		}
	}


ontology
	term_definitions = <
		["en"] = <
			items = <
				["at0000"] = <
					text = <"EASI score">
					description = <"Atopic dermatitis EASI score.">
				>
				["at0001"] = <
					text = <"Event Series">
					description = <"@ internal @">
				>
				["at0002"] = <
					text = <"Any event">
					description = <"Default, unspecified point in time or interval event which may be explicitly defined in a template or at run-time.">
				>
				["at0003"] = <
					text = <"Tree">
					description = <"@ internal @">
				>
				["at0004"] = <
					text = <"Body area">
					description = <"The part of the body being assessed.">
				>
				["at0005"] = <
					text = <"Head and neck">
					description = <"Head and neck skin area.">
				>
				["at0006"] = <
					text = <"Upper limbs">
					description = <"Upper limb skin area.">
				>
				["at0007"] = <
					text = <"Trunk">
					description = <"The trunk skin area.">
				>
				["at0008"] = <
					text = <"Lower limbs">
					description = <"Lower limbs skin area.">
				>
				["at0009"] = <
					text = <"Severity index">
					description = <"The level of severity of the symptom for a representative part of the body area.">
				>
				["at0010"] = <
					text = <"Redness">
					description = <"The extent of redness.">
				>
				["at0011"] = <
					text = <"Thickness">
					description = <"The thickness of the lesion.">
				>
				["at0012"] = <
					text = <"Crusting">
					description = <"The extent of crusting.">
				>
				["at0013"] = <
					text = <"Lichenification">
					description = <"The extent of lichenification.">
				>
				["at0014"] = <
					text = <"Absent">
					description = <"The symptom is absent.">
				>
				["at0015"] = <
					text = <"Mild">
					description = <"The symptom is mild.">
				>
				["at0016"] = <
					text = <"Moderate">
					description = <"The symptom is moderate.">
				>
				["at0017"] = <
					text = <"Severe">
					description = <"The symptom is severe.">
				>
				["at0018"] = <
					text = <"Affected area">
					description = <"The extent of the area affected.">
				>
				["at0019"] = <
					text = <"1% to 9%">
					description = <"1% to 9% of the body area is affected.">
				>
				["at0020"] = <
					text = <"10% to 29%">
					description = <"10% to 29% of the body area is affected.">
				>
				["at0021"] = <
					text = <"30% to 49%">
					description = <"30% to 49% of the body area is affected.">
				>
				["at0022"] = <
					text = <"50% to 69%">
					description = <"50% to 69% of the body area is affected.">
				>
				["at0023"] = <
					text = <"70% to 89%">
					description = <"70% to 89% of the body area is affected.">
				>
				["at0024"] = <
					text = <"90% to 100%">
					description = <"90% to 100% of the body area is affected.">
				>
				["at0025"] = <
					text = <"Total EASI score">
					description = <"The total EASI score.">
				>
				["at0026"] = <
					text = <"Item tree">
					description = <"@ internal @">
				>
				["at0027"] = <
					text = <"Extension">
					description = <"Additional information required to capture local content or to align with other reference models/formalisms.">
					comment = <"For example: local information requirements or additional metadata to align with FHIR or CIMI equivalents.">
				>
			>
		>
	>