description: Forensic toxicology laboratory test result from analysis of a specimen sent by a Medical Examiner, Coroner, or autopsy performer to the laboratory. package_name: hl7.fhir.us.mdi derivation: constraint name: ObservationToxicologyLabResult type: Observation elements: code: elements: coding: {mustSupport: true, index: 0} text: {mustSupport: true, index: 1} required: [text] value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} note: {mustSupport: true, index: 5} specimen: type: Reference mustSupport: true refers: ['http://hl7.org/fhir/us/mdi/StructureDefinition/Specimen-toxicology-lab'] index: 6 package_version: 2.0.0-ballot2 class: profile kind: resource url: http://hl7.org/fhir/us/mdi/StructureDefinition/Observation-toxicology-lab-result base: http://hl7.org/fhir/us/core/StructureDefinition/us-core-observation-lab version: 2.0.0-ballot2