description: MME - Morphine Milligram Equivalent. The quantity of morphine (mg/day, except for fentanyl patchs use mcg/hr) equivalent to the daily opioid dose for the prescription as dispensed. package_name: hl7.fhir.us.pdmp.r4 derivation: constraint name: Morphine_Milligram_Equivalent type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/pdmp/StructureDefinition/pdmp-extension-mme'} index: 1 value: short: MME choices: [valueDecimal] index: 3 valueDecimal: {type: decimal, short: MME, choiceOf: value, index: 4} package_version: 1.0.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/pdmp/StructureDefinition/pdmp-extension-mme base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0 required: [valueDecimal, value]