{description: 'A code from the SNOMED CT UK coding system for the measurement of head circumferences. Selected from the SNOMED CT UK coding system: \r - DescendantOrSelfOf 363811000 | Head circumference measure (observable entity) \r - MINUS   \r - 1153594009 | Head circumference for age z-score (observable entity)  \r - 70751000052109 | Head circumference of biological father (observable entity)  \r - 70761000052107 | Head circumference of biological mother (observable entity)   \r - DescendantOrSelfOf 170061009 | Child head circumference centile (observable entity)', package_name: fhir.r4.ukcore.stu3.currentbuild, name: UKCoreHeadCircumferenceMeasurements, type: null, package_version: 0.20.0-pre-release, class: unknown, kind: null, url: 'https://fhir.hl7.org.uk/ValueSet/UKCore-HeadCircumferenceMeasurements', version: 1.0.0}