archetype (adl_version=1.4)
	openEHR-EHR-OBSERVATION.pregnancy_test.v1

concept
	[at0000]	-- Pregnancy test
language
	original_language = <[ISO_639-1::en]>
description
	original_author = <
		["name"] = <"Sam Heard">
		["organisation"] = <"Ocean Informatics">
		["email"] = <"Sam.Heard@OceanInformatics.com">
		["date"] = <"2007-04-27">
	>
	details = <
		["en"] = <
			language = <[ISO_639-1::en]>
			purpose = <"To record the result of a near patient test for pregnancy.">
			use = <"For use with a urinary pregnancy test or other test that provides a positive or negative result for early pregnancy. The test is not performed in a laboratory but by the person or provider.">
			keywords = <"pregnancy", "test", "confirmation">
			misuse = <"Providing the interpretation of a B-HCG or other assessment of pregnancy. Use the Pregnancy Summary archetype to record pregnancy.">
			copyright = <"© openEHR Foundation">
		>
	>
	lifecycle_state = <"Initial">
	other_contributors = <"Heather Leslie", ...>
	other_details = <
		["MD5-CAM-1.0.1"] = <"C4E088C7C80BA5EAB2D943E61011D6A7">
	>

definition
	OBSERVATION[at0000] matches {	-- Pregnancy test
		data matches {
			HISTORY[at0001] matches {	-- Event Series
				events cardinality matches {1..*; unordered} matches {
					POINT_EVENT[at0002] occurrences matches {1..*} matches {	-- Time
						data matches {
							ITEM_TREE[at0003] matches {	-- Tree
								items cardinality matches {1..*; unordered} matches {
									ELEMENT[at0004] matches {	-- Result
										value matches {
											DV_CODED_TEXT matches {
												defining_code matches {
													[local::
													at0005, 	-- Negative
													at0006, 	-- Inconclusive
													at0007, 	-- Weakly positive
													at0008, 	-- Strongly positive
													at0011]	-- Uncertain
												}
											}
										}
									}
									ELEMENT[at0014] occurrences matches {0..*} matches {	-- Image
										value matches {
											DV_MULTIMEDIA matches {
												media_type matches {
													[openEHR::
													425, 
													426, 
													427, 
													428, 
													429]
												}
											}
										}
									}
								}
							}
						}
					}
				}
			}
		}
		protocol matches {
			ITEM_TREE[at0009] matches {	-- Tree
				items cardinality matches {0..*; unordered} matches {
					ELEMENT[at0010] occurrences matches {0..1} matches {	-- Product
						value matches {
							DV_TEXT matches {*}
						}
					}
					ELEMENT[at0012] occurrences matches {0..1} matches {	-- Method
						value matches {
							DV_TEXT matches {*}
						}
					}
				}
			}
		}
	}

ontology
	term_definitions = <
		["en"] = <
			items = <
				["at0000"] = <
					text = <"Pregnancy test">
					description = <"Result of a near patient test for early pregnancy.">
				>
				["at0001"] = <
					text = <"Event Series">
					description = <"@ internal @">
				>
				["at0002"] = <
					text = <"Time">
					description = <"Date and time of test.">
				>
				["at0003"] = <
					text = <"Tree">
					description = <"@ internal @">
				>
				["at0004"] = <
					text = <"Result">
					description = <"The result of the pregnancy test.">
				>
				["at0005"] = <
					text = <"Negative">
					description = <"The result does not meet the product's criteria for confirmation of pregnancy.">
				>
				["at0006"] = <
					text = <"Inconclusive">
					description = <"The result is inconclusive.">
				>
				["at0007"] = <
					text = <"Weakly positive">
					description = <"The result is consistent with the product's criteria for pregnancy but only weakly.">
				>
				["at0008"] = <
					text = <"Strongly positive">
					description = <"The result is strongly consistent with the product's criteria for pregnancy.">
				>
				["at0009"] = <
					text = <"Tree">
					description = <"@ internal @">
				>
				["at0010"] = <
					text = <"Product">
					description = <"The product used for the test.">
				>
				["at0011"] = <
					text = <"Uncertain">
					description = <"The person performing the test is unsure how to interpret the result.">
				>
				["at0012"] = <
					text = <"Method">
					description = <"Notes on the method used to perform the test.">
				>
				["at0014"] = <
					text = <"Image">
					description = <"An image of the test.">
				>
			>
		>
	>