description: This section contains a record of the patient's past complaints, problems, and diagnoses. It contains data from the patient's past up to the patient's current complaint or reason for seeking medical care. package_name: hl7.cda.us.ccda derivation: constraint name: PastMedicalHistory type: http://hl7.org/cda/stds/core/StructureDefinition/Section elements: templateId: index: 0 slicing: rules: open discriminator: - {path: root, type: value} - {path: extension, type: value} min: 1 slices: section: match: {root: 2.16.840.1.113883.10.20.22.2.20, extension: '2015-08-01'} schema: _required: true index: 1 elements: root: pattern: {type: String, value: 2.16.840.1.113883.10.20.22.2.20} index: 2 extension: pattern: {type: String, value: '2015-08-01'} index: 3 required: [root, extension] extensions: {} code: short: History of Past illness Narrative index: 4 elements: code: pattern: {type: Code, value: 11348-0} index: 5 codeSystem: pattern: {type: String, value: 2.16.840.1.113883.6.1} index: 6 required: [codeSystem, code] title: {index: 7} text: {index: 8} entry: index: 9 slicing: rules: open discriminator: - {path: observation, type: profile} min: null slices: problem: match: {} schema: array: true index: 10 elements: observation: type: http://hl7.org/cda/stds/core/StructureDefinition/Observation short: Should contain an effectiveTime/high or and/or a Problem Status with value 73425007 (Inactive), 413322009 (Problem resolved), or 277022003 (Remission phase). index: 11 elements: effectiveTime: constraint: should-high: {human: SHOULD contain high, source: 'http://hl7.org/cda/us/ccda/StructureDefinition/PastMedicalHistory', severity: warning, expression: high.exists()} index: 12 required: [observation] package_version: 4.0.0-ballot class: logical kind: logical url: http://hl7.org/cda/us/ccda/StructureDefinition/PastMedicalHistory base: http://hl7.org/cda/stds/core/StructureDefinition/Section version: 4.0.0-ballot required: [text, title, templateId, code]