{description: This code system defines the derived periods used in mADX measures., package_name: ihe.qrph.madx, name: ISO8601DerivedPeriods, type: null, package_version: 3.0.0, class: unknown, kind: null, url: 'https://profiles.ihe.net/QRPH/mADX/CodeSystem/ISO8601DerivedPeriods', version: 3.0.0}