2009 ICD-9-CM Diagnosis Code 331.0
Alzheimer's disease
- ICD-9-CM 331.0 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 331.0 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
- You are viewing the 2009 version of ICD-9-CM 331.0.
- More recent version(s) of ICD-9-CM 331.0: 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM:
331.0 converts approximately to:
- 2015/16 ICD-10-CM G30.9 Alzheimer's disease, unspecified
Approximate Synonyms
- Alzheimers dementia
- Alzheimers dementia w behavioral disturbance
- Alzheimers dementia w behavioral disturbance w delirium
- Alzheimers dementia w behavioral disturbance w delusions
- Alzheimers dementia w behavioral disturbance w depressed mood
- Alzheimers dementia w delirium
- Alzheimers dementia w delusions
- Alzheimers dementia w depressed mood
- Alzheimers dementia with behavioral disturbance
- Alzheimers dementia with delirium
- Alzheimers dementia with delusions
- Alzheimers dementia with depressed mood
- Alzheimers dementia with depressive mood
- Alzheimers dementia wo behavior changes
- Alzheimers dementia, early onset, uncomplicated
- Alzheimers dementia, early onset, w behavioral disturbance
- Alzheimers dementia, early onset, w delirium
- Alzheimers dementia, early onset, w delusions
- Alzheimers dementia, early onset, w depressed mood
- Alzheimers dementia, early onset, with depressed mood
- Alzheimers dementia, late onset, uncomplicated
- Alzheimers dementia, late onset, w delirium
- Alzheimers dementia, late onset, w delusions
- Alzheimers dementia, late onset, w depressed mood
- Alzheimers dementia, late onset, with delusions
- Alzheimers dementia. with delirium
- Alzheimers disease
- Alzheimer's disease with altered behavior
- Alzheimer's disease with behavioral disturbance
- Alzheimer's disease with behavioral disturbance and delerium
- Alzheimer's disease with behavioral disturbance and delusions
- Alzheimer's disease with behavioral disturbance and depressed mood
- Alzheimer's disease with delerium
- Alzheimer's disease with delusions
- Alzheimer's disease with depressed mood
- Alzheimer's disease without altered behavior
- Alzheimers disease, early onset
- Alzheimers disease, late onset
- Dementia Alzheimers type, late onset with delirium
- Dementia due to Alzheimers disease
- Dementia due to Alzheimer's disease
- Dementia due to Alzheimers w behavior changes
- Dementia due to Alzheimers with behavior changes
- Dementia due to Alzheimers without behavior changes
- Dementia of the Alzheimer type with behavioral disturbance
- Dementia of the Alzheimers type with early onset
- Dementia of the Alzheimers type, late onset
- Dementia, Alzheimer type late onset W behavioral disturbance
- Dementia, alzheimer type, primary degenerative
- Dementia, primary degenerative, Alzheimer type
- Early onset Alzheimer's disease with behavioral disturbance
- Primary degenerative dementia of the Alzheimer type, presenile onset
- Primary degenerative dementia of the Alzheimer type, presenile onset, uncomplicated
- Primary degenerative dementia of the Alzheimer type, presenile onset, with delirium
- Primary degenerative dementia of the Alzheimer type, presenile onset, with delusions
- Primary degenerative dementia of the Alzheimer type, presenile onset, with depression
- Primary degenerative dementia of the Alzheimer type, senile onset
- Primary degenerative dementia of the Alzheimer type, senile onset, uncomplicated
- Primary degenerative dementia of the Alzheimer type, senile onset, with delirium
- Primary degenerative dementia of the Alzheimer type, senile onset, with delusions
- Primary degenerative dementia of the Alzheimer type, senile onset, with depression
ICD-9-CM Volume 2 Index entries containing back-references to
331.0:
- Alzheimer's
- disease or sclerosis 331.0
- with dementia - see Alzheimer's, dementia
- Atrophy, atrophic
- brain (cortex) (progressive) 331.9
- with dementia 290.10
- Alzheimer's 331.0
- with dementia - see Alzheimer's, dementia
- circumscribed (Pick's) 331.11
- congenital 742.4
- hereditary 331.9
- senile 331.2
- sclerosis, lobar (of brain) 331.0
- with dementia
- with behavioral disturbance 331.0 [294.11]
- without behavioral disturbance 331.0 [294.10]
- Disease, diseased - see also Syndrome
- brain 348.9
- Alzheimer's 331.0
- with dementia - see Alzheimer's, dementia
- arterial, artery 437.9
- arteriosclerotic 437.0
- congenital 742.9
- degenerative - see Degeneration, brain
- inflammatory - see also Encephalitis
- late effect - see category 326
- organic 348.9
- parasitic NEC 123.9
- Pick's 331.11
- senile 331.2
- Sclerosis, sclerotic
- Alzheimer's 331.0
- with dementia - see Alzheimer's, dementia
- brain (general) (lobular) 341.9
- Alzheimer's - see Alzheimer's, dementia
- artery, arterial 437.0
- atrophic lobar 331.0
- with dementia
- with behavioral disturbance 331.0 [294.11]
- without behavioral disturbance 331.0 [294.10]
- diffuse 341.1
- familial (chronic) (infantile) 330.0
- infantile (chronic) (familial) 330.0
- Pelizaeus-Merzbacher type 330.0
- disseminated 340
- hereditary 334.2
- infantile (degenerative) (diffuse) 330.0
- insular 340
- Krabbe's 330.0
- miliary 340
- multiple 340
- Pelizaeus-Merzbacher 330.0
- progressive familial 330.0
- senile 437.0
- tuberous 759.5
- lobar, atrophic (of brain) 331.0
- with dementia
- with behavioral disturbance 331.0 [294.11]
- without behavioral disturbance 331.0 [294.10]
- Syndrome - see also Disease
- Alzheimer's 331.0
- with dementia - see Alzheimer's, dementia