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. Author manuscript; available in PMC: 2018 Jul 9.
Published in final edited form as: J Pain Symptom Manage. 2017 Dec 27;55(4):1152–1158.e1. doi: 10.1016/j.jpainsymman.2017.12.480

ICD Codes Before and After Refinement.

ICD-9 Codes ICD-10 Codes First Round (3/29/16–7/13/16) Second Round (7/14/16–10/31/16) Final Round (11/1/16–3/31/17)
290 Dementias
290.4 F01.50 F01.51 Vascular dementia
290.41 Dementia, vascular with delirium
291.2 F10.27 F10.97 Alcohol-induced persisting dementia
294.11 Dementia in conditions classified elsewhere with behavioral disturbance
294.21 F03.91 Dementia, unspecified, with behavioral disturbance
294.8 F99 Mental disorder, other
331 G30.0 G30.1 G30.8 G30.9 Alzheimer’s disease
331.1 G31.09 Frontotemporal disease
F02.80 F02.81 Dementia in conditions classified elsewhere
F03.90 Dementia, unspecified, without behavioral disturbance
G31.83 Dementia w/lewy Bodies
I67.89 Cerebrovascular disease
I69.81 Cerebrovascular disease
294.1 Dementia in conditions classified elsewhere without behavioral disturbance
294.2 Dementia, unspecified without behavioral disturbance
331.82 Lewy body dementia
A81.00 Creutzfeldt-Jakob disease, unspecified
G10 Huntington’s disease
G31.01 Pick’s disease
290 F03.90 Senile dementia, uncomplicated
331.2 G31.1 Senile degeneration of brain
331.83 G31.84 Mild cognitive impairment
436 I63.9 Cerebrovascular accident
438.89 I67.9 Cerebrovascular disease
780.93 Memory loss
799.59 Cognition sign/symptom NEC
I69.91 Cerebrovascular disease
290.1 Presenile dementia
290.2 Senile dementia with delusional or depressive features
290.3 Senile dementia with delirium
290.42 Dementia, vascular with delusions
290.8 Other specified senile psychotic conditions
290.9 Unspecified senile psychotic condition
310 R41.844 Frontal lobe syndrome
I69.80 Cerebrovascular disease
G46.80 Cerebrovascular disease
ZI68.8 Cerebrovascular disease
46.19 Creutzfeldt-Jakob disease NEC/NOS
291.1 Alcohol amnestic disorder
300.9 Nonpsychotic disorder, not otherwise specified
333.4 Huntington’s chorea
434.91 Cerebral artery occlusion unspecified with cerebral infarction
437.1 AC cerebrovascular insufficiency, NOS
437.8 Cerebrovascular disease NEC
437.9 Cerebrovascular disease NOS
438 Late effects of cerebrovascular disease: cognitive deficits
G93.1 Anoxic brain damage, not elsewhere classified
S06.9X0A Unspecified intracranial injury without loss of consciousness, initial encounter
S06.9X0D Unspecified intracranial injury without loss of consciousness, subsequent encounter
S06.9X0S Unspecified intracranial injury without loss of consciousness, sequela
S09.90XA Unspecified injury of head, initial encounter
S09.90XD Unspecified injury of head, subsequent encounter
S09.90XS Unspecified injury of head, sequela
I61.9 Nontraumatic intracerebral hemorrhage, unspecified
I63.511 Cerebral infarction due to unspecified occlusion or stenosis of right middle cerebral artery
I63.521 Cerebral infarction due to unspecified occlusion or stenosis of right anterior cerebral artery
I63.9 Cerebral infarction, unspecified
I65.29 Occlusion and stenosis of unspecified carotid artery

Shading indicates that the code was included.