1388314001: Acalvaria (disorder)

• SNOMED CT Concept\Clinical finding (finding)\...
• \Head finding (finding)\Disorder of head (disorder)\Congenital anomaly of head\Congenital absence of cranial vault\Acalvaria (disorder)
• \Central nervous system finding\Finding of meninges\Disorder of meninges\Structural abnormality of dura mater (disorder)\Acalvaria (disorder)
• \Central nervous system finding\Finding of meninges\Disorder of meninges\Congenital malformation of the meninges\Acalvaria (disorder)
• \Central nervous system finding\Disorder of the central nervous system (disorder)\Congenital anomaly of central nervous system\Congenital malformation of the meninges\Acalvaria (disorder)
• \Central nervous system finding\Disorder of the central nervous system (disorder)\Disorder of meninges\Structural abnormality of dura mater (disorder)\Acalvaria (disorder)
• \Central nervous system finding\Disorder of the central nervous system (disorder)\Disorder of meninges\Congenital malformation of the meninges\Acalvaria (disorder)
• \Musculoskeletal finding\Disorder of musculoskeletal system\Congenital anomaly of musculoskeletal system\Congenital absence of cranial vault\Acalvaria (disorder)
• \Disease\Fetal and/or neonatal disorder\Congenital disease (disorder)\Congenital malformation\Congenital anomaly of nervous system\Congenital anomaly of central nervous system\Congenital malformation of the meninges\Acalvaria (disorder)
• \Disease\Fetal and/or neonatal disorder\Congenital disease (disorder)\Congenital malformation\Congenital anomaly of head\Congenital absence of cranial vault\Acalvaria (disorder)
• \Disease\Fetal and/or neonatal disorder\Congenital disease (disorder)\Congenital malformation\Congenital anomaly of musculoskeletal system\Congenital absence of cranial vault\Acalvaria (disorder)
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Congenital anomaly of nervous system\Congenital anomaly of central nervous system\Congenital malformation of the meninges\Acalvaria (disorder)
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Congenital anomaly of central nervous system\Congenital malformation of the meninges\Acalvaria (disorder)
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Disorder of meninges\Structural abnormality of dura mater (disorder)\Acalvaria (disorder)
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Disorder of meninges\Congenital malformation of the meninges\Acalvaria (disorder)
• \Disease\Disorder of body system\Disorder of musculoskeletal system\Congenital anomaly of musculoskeletal system\Congenital absence of cranial vault\Acalvaria (disorder)
• \Disease\Disorder of head (disorder)\Congenital anomaly of head\Congenital absence of cranial vault\Acalvaria (disorder)
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of nervous system\Congenital anomaly of central nervous system\Congenital malformation of the meninges\Acalvaria (disorder)
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of head\Congenital absence of cranial vault\Acalvaria (disorder)
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of musculoskeletal system\Congenital absence of cranial vault\Acalvaria (disorder)

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 01-Feb 2026. Module: SNOMED CT core

Descriptions:

Id	Description	Lang	Type	Status	Case?	Module
6152826011	Acalvaria (disorder)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
6152827019	Acalvaria	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
6152828012	Primary acalvaria	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
6152829016	A rare congenital malformation characterised by the absence of calvarial bones, dura mater and associated muscles while skull base, facial bones and brain structures are normal. Central nervous system is usually unaffected, however some neuropathological abnormalities such as holoprosencephaly, hydrocephalus, micropolygyria and gyration anomalies can be present. Prenatal diagnosis by ultrasonography is usually confirmed by magnetic resonance imaging as it can be confused with anencephaly or encephalocele.	en	Definition	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
6152830014	A rare congenital malformation characterized by the absence of calvarial bones, dura mater and associated muscles while skull base, facial bones and brain structures are normal. Central nervous system is usually unaffected, however some neuropathological abnormalities such as holoprosencephaly, hydrocephalus, micropolygyria and gyration anomalies can be present. Prenatal diagnosis by ultrasonography is usually confirmed by magnetic resonance imaging as it can be confused with anencephaly or encephalocele.	en	Definition	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core

Expanded Value Set

Reference Sets

Component annotation with string value reference set (foundation metadata concept)

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