Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(G459) Transient cerebral ischaemic attack, unspecified 8449
INPAT INPAT_ICD10(G459) Transient cerebral ischaemic attack, unspecified 4780
OUTPAT OUTPAT_ICD10(G451) Carotid artery syndrome (hemispheric) 3049
INPAT INPAT_ICD10(G451) Carotid artery syndrome (hemispheric) 2712
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G459) Transient cerebral ischaemic attack, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2160
OUTPAT OUTPAT_ICD10(G450) Vertebro-basilar artery syndrome 2077
OUTPAT OUTPAT_ICD10(G453) Amaurosis fugax 1685
INPAT INPAT_ICD10(G450) Vertebro-basilar artery syndrome 1670
OUTPAT OUTPAT_ICD10(G970) Cerebrospinal fluid leak from spinal puncture 1248
OUTPAT OUTPAT_ICD10(G992) Myelopathy in diseases classified elsewhere 1216
INPAT INPAT_ICD10(G992) Myelopathy in diseases classified elsewhere 673
INPAT INPAT_ICD10(G453) Amaurosis fugax 634
OUTPAT OUTPAT_ICD10(G912) Normal-pressure hydrocephalus 604
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G45) Transient cerebral ischaemic attacks and related syndromes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 523
INPAT INPAT_ICD10(G912) Normal-pressure hydrocephalus 491
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G451) Carotid artery syndrome (hemispheric). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 418
INPAT INPAT_ICD10(G970) Cerebrospinal fluid leak from spinal puncture 376
OUTPAT OUTPAT_ICD10(G930) Cerebral cysts 352
OUTPAT OUTPAT_ICD10(G458) Other transient cerebral ischaemic attacks and related syndromes 296
INPAT INPAT_ICD10(G464) Cerebellar stroke syndrome (I60-I67) 290
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G453) Amaurosis fugax. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 289
OUTPAT OUTPAT_ICD10(G464) Cerebellar stroke syndrome (I60-I67) 279
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G992) Myelopathy in diseases classified elsewhere. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 278
INPAT INPAT_ICD9(4351A) Vertebral artery syndrome 273
OUTPAT OUTPAT_ICD10(G902) Horner's syndrome 266
OUTPAT OUTPAT_ICD10(G910) Communicating hydrocephalus 257
OUTPAT OUTPAT_ICD10(G958) Other specified diseases of spinal cord 252
INPAT INPAT_ICD10(G463) Brain stem stroke syndrome (I60-I67) 251
INPAT INPAT_ICD10(G910) Communicating hydrocephalus 238
INPAT INPAT_ICD8(43599) Transient cerebral ischaemia, Without mention of hypertension 230
OUTPAT OUTPAT_ICD10(G911) Obstructive hydrocephalus 230
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G450) Vertebro-basilar artery syndrome. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 229
INPAT INPAT_ICD9(4359X) Unspecified transient cerebral ischemia 227
INPAT INPAT_ICD10(G911) Obstructive hydrocephalus 218
OUTPAT OUTPAT_ICD10(G919) Hydrocephalus, unspecified 210
INPAT INPAT_ICD10(G931) Anoxic brain damage, not elsewhere classified 199
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G912) Normal-pressure hydrocephalus. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 197
INPAT INPAT_ICD9(4350A) Basilar artery syndrome 194
OUTPAT OUTPAT_ICD10(G971) Other reaction to spinal and lumbar puncture 192
OUTPAT OUTPAT_ICD10(G932) Benign intracranial hypertension 189
OUTPAT OUTPAT_ICD10(G463) Brain stem stroke syndrome (I60-I67) 181
OUTPAT OUTPAT_ICD10(G950) Syringomyelia and syringobulbia 176
INPAT INPAT_ICD9(3490A) Reaction to spinal or lumbar puncture 171
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G458) Other transient cerebral ischaemic attacks and related syndromes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 171
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G933) Postviral fatigue syndrome. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 167
OUTPAT OUTPAT_ICD10(G931) Anoxic brain damage, not elsewhere classified 161
INPAT INPAT_ICD10(G919) Hydrocephalus, unspecified 156
OUTPAT OUTPAT_ICD10(G934) Encephalopathy, unspecified 141
OUTPAT OUTPAT_ICD10(G933) Postviral fatigue syndrome 134
INPAT INPAT_ICD10(G934) Encephalopathy, unspecified 129
INPAT INPAT_ICD10(G930) Cerebral cysts 122
DEATH DEATH_ICD10(G931) Anoxic brain damage, not elsewhere classified 120
OUTPAT OUTPAT_ICD10(G959) Disease of spinal cord, unspecified 117
INPAT INPAT_ICD8(43500) Transient cerebral ischaemia, With hypertension (benign) 114
INPAT INPAT_ICD10(G458) Other transient cerebral ischaemic attacks and related syndromes 108
OUTPAT OUTPAT_ICD10(G468) Other vascular syndromes of brain in cerebrovascular diseases (I60-I67) 97
INPAT INPAT_ICD10(G942) Hydrocephalus in other diseases classified elsewhere 90
OUTPAT OUTPAT_ICD10(G960) Cerebrospinal fluid leak 90
INPAT INPAT_ICD10(G932) Benign intracranial hypertension 84
OUTPAT OUTPAT_ICD10(G990) Autonomic neuropathy in endocrine and metabolic diseases 84
OUTPAT OUTPAT_ICD10(G45) Transient cerebral ischaemic attacks and related syndromes 80
INPAT INPAT_ICD10(G950) Syringomyelia and syringobulbia 75
OUTPAT OUTPAT_ICD10(G467) Other lacunar syndromes (I60-I67+) 71
INPAT INPAT_ICD10(G902) Horner's syndrome 69
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G468) Other vascular syndromes of brain in cerebrovascular diseases (I60-I67). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 69
INPAT INPAT_ICD10(G960) Cerebrospinal fluid leak 68
OUTPAT OUTPAT_ICD10(G900) Idiopathic peripheral autonomic neuropathy 59
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G464) Cerebellar stroke syndrome (I60-I67). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 58
INPAT INPAT_ICD9(3499X) Unspecified disorders of nervous system 56
OUTPAT OUTPAT_ICD10(G978) Other postprocedural disorders of nervous system 54
INPAT INPAT_ICD9(3313A) Communicating hydrocephalus 53
INPAT INPAT_ICD10(G958) Other specified diseases of spinal cord 52
OUTPAT OUTPAT_ICD10(G942) Hydrocephalus in other diseases classified elsewhere 52
OUTPAT OUTPAT_ICD10(G903) Multi-system degeneration 51
OUTPAT OUTPAT_ICD10(G918) Other hydrocephalus 49
INPAT INPAT_ICD8(34799) Other disease of brain, Other and unspecified 48
INPAT INPAT_ICD10(G918) Other hydrocephalus 47
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G931) Anoxic brain damage, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 47
OUTPAT OUTPAT_ICD10(G969) Disorder of central nervous system, unspecified 46
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G950) Syringomyelia and syringobulbia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 46
OUTPAT OUTPAT_ICD10(G452) Multiple and bilateral precerebral artery syndromes 43
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G463) Brain stem stroke syndrome (I60-I67). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 41
INPAT INPAT_ICD10(G468) Other vascular syndromes of brain in cerebrovascular diseases (I60-I67) 40
OUTPAT OUTPAT_ICD10(G952) Cord compression, unspecified 40
OUTPAT OUTPAT_ICD10(G98) Other disorders of nervous system, not elsewhere classified 40
INPAT INPAT_ICD10(G990) Autonomic neuropathy in endocrine and metabolic diseases 39
INPAT INPAT_ICD9(3314A) Obstructive hydrocephalus 39
INPAT INPAT_ICD10(G951) Vascular myelopathies 38
INPAT INPAT_ICD8(34999) Other diseases of spinal cord, Other and unspecified 38
OUTPAT OUTPAT_ICD10(G913) Post-traumatic hydrocephalus, unspecified 38
OUTPAT OUTPAT_ICD10(G951) Vascular myelopathies 38
INPAT INPAT_ICD10(G971) Other reaction to spinal and lumbar puncture 37
INPAT INPAT_ICD8(34798) Other disease of brain, Alii definiti 36
OUTPAT OUTPAT_ICD10(G909) Disorder of autonomic nervous system, unspecified 36
INPAT INPAT_ICD10(G900) Idiopathic peripheral autonomic neuropathy 35
INPAT INPAT_ICD10(G913) Post-traumatic hydrocephalus, unspecified 35
OUTPAT OUTPAT_ICD10(G938) Other specified disorders of brain 35
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G932) Benign intracranial hypertension. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 35
INPAT INPAT_ICD10(G903) Multi-system degeneration 33
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G910) Communicating hydrocephalus. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 32
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G930) Cerebral cysts. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 32
INPAT INPAT_ICD10(G9399) Disorder of brain, unspecified 31
INPAT INPAT_ICD10(G959) Disease of spinal cord, unspecified 31
OUTPAT OUTPAT_ICD10(G92) Toxic encephalopathy 31
OUTPAT OUTPAT_ICD10(G9399) Disorder of brain, unspecified 31
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G934) Encephalopathy, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 31
OUTPAT OUTPAT_ICD10(G460) Middle cerebral artery syndrome 30
INPAT INPAT_ICD10(G941) Hydrocephalus in neoplastic disease 29
OUTPAT OUTPAT_ICD10(G936) Cerebral oedema 29
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G970) Cerebrospinal fluid leak from spinal puncture. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 29
INPAT INPAT_ICD10(G467) Other lacunar syndromes (I60-I67+) 28
INPAT INPAT_ICD10(G933) Postviral fatigue syndrome 28
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G919) Hydrocephalus, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 28
INPAT INPAT_ICD10(G452) Multiple and bilateral precerebral artery syndromes 27
INPAT INPAT_ICD10(G460) Middle cerebral artery syndrome 27
INPAT INPAT_ICD10(G9390) Brain death 27
INPAT INPAT_ICD10(G969) Disorder of central nervous system, unspecified 26
INPAT INPAT_ICD9(3480A) Cerebral cysts 26
INPAT INPAT_ICD10(G952) Cord compression, unspecified 25
OUTPAT OUTPAT_ICD10(G979) Postprocedural disorder of nervous system, unspecified 25
INPAT INPAT_ICD8(34793) Other disease of brain, Hydrocephalus acquisitus NUD 24
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G902) Horner's syndrome. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 24
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G911) Obstructive hydrocephalus. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 24
DEATH DEATH_ICD10(G912) Normal-pressure hydrocephalus 23
INPAT INPAT_ICD10(G92) Toxic encephalopathy 23
OUTPAT OUTPAT_ICD10(G465) Pure motor hacunar syndrome (I60-I67+) 23
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G467) Other lacunar syndromes (I60-I67+). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 23
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G959) Disease of spinal cord, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 23
INPAT INPAT_ICD9(3369X) Unspecified disease of spinal cord 22
INPAT INPAT_ICD9(3483X) Encephalopathy, not elsewhere classified 22
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G958) Other specified diseases of spinal cord. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 22
INPAT INPAT_ICD10(G465) Pure motor hacunar syndrome (I60-I67+) 21
INPAT INPAT_ICD10(G936) Cerebral oedema 21
OUTPAT OUTPAT_ICD10(G968) Other specified disorders of central nervous system 21
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G952) Cord compression, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 21
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G98) Other disorders of nervous system, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 21
INPAT INPAT_ICD8(74200) Congenital hydrocephalus, Communicans 20
INPAT INPAT_ICD10(G938) Other specified disorders of brain 19
INPAT INPAT_ICD9(7423A) Congenital hydrocephalus 18
OUTPAT OUTPAT_ICD10(G941) Hydrocephalus in neoplastic disease 18
OUTPAT OUTPAT_ICD10(Q030) Malformations of aqueduct of Sylvius 18
INPAT INPAT_ICD10(G45) Transient cerebral ischaemic attacks and related syndromes 17
INPAT INPAT_ICD10(G978) Other postprocedural disorders of nervous system 17
OUTPAT OUTPAT_ICD10(G972) Intracranial hypotension following ventricular shunting 17
OUTPAT OUTPAT_ICD10(Q039) Congenital hydrocephalus, unspecified 17
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G903) Multi-system degeneration. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 17
INPAT INPAT_ICD10(G968) Other specified disorders of central nervous system 16
INPAT INPAT_ICD8(34998) Other diseases of spinal cord, Alii definiti 16
INPAT INPAT_ICD9(3489X) Unspecified condition of brain 16
INPAT INPAT_ICD10(G466) Pure sensory lacunar syndrome (I60-I67+) 15
INPAT INPAT_ICD10(G935) Compression of brain 15
INPAT INPAT_ICD10(G972) Intracranial hypotension following ventricular shunting 15
INPAT INPAT_ICD8(74209) Congenital hydrocephalus, Unspecified 15
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G990) Autonomic neuropathy in endocrine and metabolic diseases. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 15
DEATH DEATH_ICD10(G903) Multi-system degeneration 14
INPAT INPAT_ICD10(G909) Disorder of autonomic nervous system, unspecified 14
OUTPAT OUTPAT_ICD10(G961) Disorders of meninges, not elsewhere classified 14
INPAT INPAT_ICD10(G462) Posterior cerebral artery syndrome 13
INPAT INPAT_ICD9(3360A) Syringomyelia and syringobulbia 13
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G978) Other postprocedural disorders of nervous system. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 13
DEATH DEATH_ICD10(G459) Transient cerebral ischaemic attack, unspecified 12
INPAT INPAT_ICD10(Q039) Congenital hydrocephalus, unspecified 12
INPAT INPAT_ICD9(3488X) Other conditions of brain 12
OUTPAT OUTPAT_ICD10(G935) Compression of brain 12
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G91) Hydrocephalus. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 12
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G9399) Disorder of brain, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 12
INPAT INPAT_ICD10(G98) Other disorders of nervous system, not elsewhere classified 11
INPAT INPAT_ICD10(Q030) Malformations of aqueduct of Sylvius 11
OUTPAT OUTPAT_ICD10(G466) Pure sensory lacunar syndrome (I60-I67+) 11
OUTPAT OUTPAT_ICD10(G908) Other disorders of autonomic nervous system 11
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G900) Idiopathic peripheral autonomic neuropathy. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 11
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G951) Vascular myelopathies. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 11
OUTPAT OUTPAT_ICD10(G462) Posterior cerebral artery syndrome 10
OUTPAT OUTPAT_ICD10(G904) Autonomic dysreflexia 10
OUTPAT OUTPAT_ICD10(G948) Other specified disorders of brain in diseases classified elsewhere 10
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G909) Disorder of autonomic nervous system, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G969) Disorder of central nervous system, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10
DEATH DEATH_ICD10(G919) Hydrocephalus, unspecified 9
DEATH DEATH_ICD10(G934) Encephalopathy, unspecified 9
INPAT INPAT_ICD9(3482A) Benign intracranial hypertension 9
OUTPAT OUTPAT_ICD10(G461) Anterior cerebral artery syndrome 9
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G942) Hydrocephalus in other diseases classified elsewhere. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 9
INPAT INPAT_ICD8(34900) Other diseases of spinal cord, Syringomyelia 8
INPAT INPAT_ICD8(74201) Congenital hydrocephalus, Non communicans 8
INPAT INPAT_ICD9(3481A) Anoxic brain damage 8
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G918) Other hydrocephalus. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 8
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G971) Other reaction to spinal and lumbar puncture. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 8
DEATH DEATH_ICD10(G935) Compression of brain 7
INPAT INPAT_ICD10(G979) Postprocedural disorder of nervous system, unspecified 7
INPAT INPAT_ICD8(35800) Disease of peripheral autonomic nervous system, Syndroma Horner 7
INPAT INPAT_ICD9(3361A) Vascular myelopathies 7
OUTPAT OUTPAT_ICD10(G901) Familial dysautonomia [Riley-Day] 7
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G452) Multiple and bilateral precerebral artery syndromes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 7
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G95) Other diseases of the spinal cord. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 7
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G979) Postprocedural disorder of nervous system, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 7
INPAT INPAT_ICD10(G948) Other specified disorders of brain in diseases classified elsewhere 6
INPAT INPAT_ICD10(G961) Disorders of meninges, not elsewhere classified 6
INPAT INPAT_ICD8(74210) Name not found 6
INPAT INPAT_ICD9(3368X) Other myelopathy 6
INPAT INPAT_ICD9(3498B) Other and unspecified disorders of the nervous system, Other specified disorders of nervous system 6
INPAT INPAT_ICD9(9970A) Central nervous system complications, not elsewhere classified 6
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G913) Post-traumatic hydrocephalus, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G938) Other specified disorders of brain. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6
DEATH DEATH_ICD10(G910) Communicating hydrocephalus 5
DEATH DEATH_ICD10(G911) Obstructive hydrocephalus 5
DEATH DEATH_ICD10(G950) Syringomyelia and syringobulbia 5
INPAT INPAT_ICD9(3378X) Disorders of the autonomic nervous system 5
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G90) Disorders of autonomic nervous system. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 5
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G960) Cerebrospinal fluid leak. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 5
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(G961) Disorders of meninges, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 5