Table 2

ICD-10 disease code used for identification of patients with stroke and comorbidities and ICD-9-CM code used for identification of interventions or procedures

DiseaseICD-10
Stroke 
 Ischaemic strokeI63
 Intracerebral haemorrhage strokeI61
 Subarachnoid haemorrhage strokeI60
Comorbidities 
 HypertensionI10
 Diabetes mellitusE11.900
 HyperlipidaemiaE78.500
 Atrial fibrillationG91.900
 Coronary atherosclerotic heart diseaseI25.103
 Cardiac arrhythmiaI49.900
 HyperuricaemiaE79.001
 Sequelae of cerebral infarctionI69.300
 Lacunar cerebral infarctionI63.801
 EncephalopathyG31.902
 Cerebral herniaG93.501
 Occlusion and stenosis of unspecified cerebral arteryI66.901
 Cerebral atherosclerosisI67.200
 Pulmonary infectionJ98.414
 PneumoniaJ18.900
 Aspiration pneumoniaJ69.001
 HydrothoraxJ94.804
 HypokalemiaE87.600
 HypoproteinaemiaE77.801
 Fatty liverK76.000
 Hyperplasia of prostateN40.x00
Procedures 
 Intracranial artery thrombectomy39.7400×002, 39.7401,39.7400
 Carotid artery stenting0.63
 Vertebral artery balloon angioplasty00.6400×009
 Intracranial artery stenting/intracranial artery angioplasty0.6500 to 0.6200
 Vertebral artery stenting00.6102
 Middle cerebral artery stenting00.6501
 Evacuation of intracerebral haematoma/evacuation of intracranial haematoma/transtemporal evacuation of intracerebral haematoma01.3900×009, 01.2408, 01.3904
 Burr-hole drainage of ventricle/burr-hole decompression of skull01.3901,01.2414
 Stereotactic aspiration of intracranial haematoma/stereotactic puncture and drainage of intracranial haematoma/ hard tunnel puncture and drainage of intracranial haematoma01.3905, 01.3900×013, 01.3900×003
 Endoscopic drainage of haematoma01.3906
 Ventriculoperitoneal shunt/ventricoextracranial shunt02.3400×002, 02.3900
 Wrapping of intracranial aneurysm/resection of intracranial vascular malformation/clipping of carotid aneurysm39.5101
 Resection of intracranial aneurysm38.6100×002
 Neuroendoscopic clipping of intracranial aneurysm39.5100×004
 Clipping of posterior communicating artery aneurysm39.5104
 Clipping of anterior cerebral artery–anterior communicating artery aneurysm39.5107
 Clipping of middle cerebral artery aneurysm39.5103
 Clipping of cerebral aneurysm39.5100×007
 Clipping of aneurysm39.5100
Interventions 
 Intracranial aneurysm embolisation/intracranial aneurysm coil embolisation/intracranial aneurysm embolisation/middle cerebral aneurysm embolisation39.7203, 39.7204, 39.7209, 39.7200×006
 Intracranial artery stenting/intracranial artery stent-assist coil embolisation00.6500×008, 00.6500, 39.7205
 Intracranial and cervical artery occlusion39.7500 to 39.7200
 Carotid aneurysm embolisation39.7206
 Carotid aneurysm coil embolisation39.7207
 Internal carotid embolisation39.7200×004
 Carotid artery stenting00.6300
 Wrapping of intracranial aneurysm39.5201
 Clipping of intracranial vascular malformation38.8101
 Other arteriorrhaphy39.5200
 Clipping of anterior cerebral artery aneurysm39.5102
 Resection of intracranial vascular malformation38.6101
 Clipping of carotid aneurysm39.5101
 Resection of intracranial aneurysm38.6100×002
 Neuroendoscopic clipping of intracranial aneurysm39.5100×004
 Clipping of posterior communicating artery aneurysm39.5104
 Clipping of anterior cerebral artery–anterior communicating artery aneurysm39.5107
 Clipping of middle cerebral artery aneurysm39.5103
 Clipping of cerebral aneurysm39.5100×007
 Clipping of aneurysm39.5100

  • ICD-10, International Classification of Diseases, 10th Revision; ICD-9-CM, International Classification of Diseases, Ninth Revision, Clinical Modification.