description: Goal Attainment Scaling (GAS) is an extension used to specify five levels of attainment for a person-centered goal. package_name: hl7.fhir.us.pco.r4 derivation: constraint name: PCOGoalAttainmentScaling type: Extension elements: extension: index: 0 slicing: slices: level: match: {} schema: short: Code indicating GAS level mustSupport: true index: 1 extensions: {} elements: extension: {index: 2} url: pattern: {type: Uri, value: level} index: 3 value: choices: [valueCoding] index: 5 valueCoding: {type: Coding, choiceOf: value, index: 6} required: [valueCoding, value] progressText: match: {} schema: short: Description of GAS level mustSupport: true _required: true index: 7 extensions: {} elements: extension: {index: 8} url: pattern: {type: Uri, value: progressText} index: 9 value: short: Free-text description of GAS progress level choices: [valueString] index: 11 valueString: {type: string, short: Free-text description of GAS progress level, choiceOf: value, index: 12} required: [valueString, value] url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/pco/StructureDefinition/pco-goal-attainment-scaling'} index: 13 value: choices: [] index: 15 package_version: 1.0.0-ballot extensions: level: url: null short: Code indicating GAS level mustSupport: true index: 1 extensions: {} elements: extension: {index: 2} url: pattern: {type: Uri, value: level} index: 3 value: choices: [valueCoding] index: 5 valueCoding: {type: Coding, choiceOf: value, index: 6} required: [valueCoding, value] progressText: url: null short: Description of GAS level mustSupport: true _required: true index: 7 extensions: {} elements: extension: {index: 8} url: pattern: {type: Uri, value: progressText} index: 9 value: short: Free-text description of GAS progress level choices: [valueString] index: 11 valueString: {type: string, short: Free-text description of GAS progress level, choiceOf: value, index: 12} required: [valueString, value] class: extension kind: complex-type url: http://hl7.org/fhir/us/pco/StructureDefinition/pco-goal-attainment-scaling base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0-ballot required: [extension]