G30.9
BillableAlzheimer's disease, unspecified
Alzheimer's disease, unspecified
Coding Notes
Includes
Conditions included under this code
- Alzheimer's dementia senile and presenile forms
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Use Additional Code
Additional codes that should follow this code
- code, if applicable, to identify:
- •delirium, if applicableF05
- •dementia with anxiety, A4, B4, C4)F02.84, F02, F02, F02
- •dementia with behavioral disturbance, A1-, B1-, C1-)F02.81, F02, F02, F02
- •dementia with mood disturbance, A3, B3, C3)F02.83, F02, F02, F02
- •dementia with psychotic disturbance, A2, B2, C2)F02.82, F02, F02, F02
- •dementia without behavioral disturbance, A0, B0, C0)F02.80, F02, F02, F02
- •mild neurocognitive disorder due to known physiological conditionF06.7
Related Codes(3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(151)
SNOMED CT
- AD - Alzheimer's disease26929004
- Alzheimer dementia26929004
- Alzheimer disease26929004
- Alzheimer's disease26929004
- Focal Alzheimer disease230269008
- Focal Alzheimer's disease230269008
- Progressive aphasia230278002
- Alzheimer's disease with progressive aphasia230280008
- Progressive aphasia in Alzheimer disease230280008
- Progressive aphasia in Alzheimer's disease230280008
- Depressed mood366979004
- Alzheimer disease with psychosis1259128002
- Alzheimer's disease with psychosis1259128002
- Altered behavior in Alzheimer disease97751000119108
- Altered behavior in Alzheimer's disease97751000119108
- Altered behavior in Alzheimers disease97751000119108
- Altered behaviour in Alzheimer's disease97751000119108
- Alzheimer's disease with altered behavior97751000119108
- Alzheimer's disease with altered behaviour97751000119108
- Alzheimer's disease with delirium142011000119109
- Alzheimer's disease with delusions141991000119109
- Delusions in Alzheimer disease141991000119109
- Delusions in Alzheimer's disease141991000119109
- Delusions in Alzheimers disease141991000119109
- Alzheimer's disease with depressed mood142001000119106
- Alzheimers dementia with depressed mood142001000119106
- Depressed mood in Alzheimer disease142001000119106
- Depressed mood in Alzheimer's disease142001000119106
- Behavioral disturbance co-occurrent and due to late onset Alzheimer dementia16219201000119101
- Behavioural disturbance co-occurrent and due to late onset Alzheimer dementia16219201000119101
- Late onset Alzheimer's dementia with behavioral disturbance16219201000119101
- Late onset Alzheimer's dementia with behavioural disturbance16219201000119101
- Dementia of the Alzheimer type with behavioral disturbance1581000119101
- Dementia of the Alzheimer type with behavioural disturbance1581000119101
- Dementia with behavioral disturbance1591000119103
- Dementia with behavioural disturbance1591000119103
UMLS
- AD - Alzheimer's diseaseC0002395
- ALZHEIMER DISC0002395
- ALZHEIMER DISEASEC0002395
- ALZHEIMERS DISC0002395
- Alzheimer DementiaC0002395
- Alzheimer DementiasC0002395
- Alzheimer DiseaseC0002395
- Alzheimer DiseasesC0002395
- Alzheimer SclerosisC0002395
- Alzheimer SyndromeC0002395
- Alzheimer Type DementiaC0002395
- Alzheimer Type Dementia (ATD)C0002395
- Alzheimer Type Senile DementiaC0002395
- Alzheimer dementiaC0002395
- Alzheimer dementia (AD)C0002395
- Alzheimer diseaseC0002395
- Alzheimer sclerosisC0002395
- Alzheimer syndromeC0002395
- Alzheimer's DementiaC0002395
- Alzheimer's DiseaseC0002395
- Alzheimer's DiseasesC0002395
- Alzheimer's diseaseC0002395
- Alzheimer's disease (disorder)C0002395
- Alzheimer's disease, unspecifiedC0002395
- Alzheimer-Type Dementia (ATD)C0002395
- Alzheimer-type dementia (ATD)C0002395
- Alzheimers DiseasesC0002395
- DATC0002395
- Dementia Alzheimer's typeC0002395
- Dementia of the Alzheimer's type NOSC0002395
- Dementia, AlzheimerC0002395
- Dementia, Alzheimer TypeC0002395
- Dementia, Alzheimer-Type (ATD)C0002395
- Dementia, Primary Senile DegenerativeC0002395
- Dementia, SenileC0002395
- Primary Senile Degenerative DementiaC0002395
- Primary senile degenerative dementiaC0002395
- SDATC0002395
- Sclerosis, AlzheimerC0002395
- Senile DementiaC0002395
- Senile Dementia, Alzheimer TypeC0002395
- alzheimer diseasesC0002395
- alzheimer's diseasesC0002395
- alzheimers dementiaC0002395
- alzheimers diseaseC0002395
- datsC0002395
- dementia alzheimersC0002395
- senile dementiaC0002395
Clinical Terms
- dats
- Alzheimer Dementias
- Alzheimer's disease with progressive aphasia
- Alzheimer's disease (disorder)
- Dementia, Primary Senile Degenerative
- Delusions in Alzheimers disease
- Alzheimer's disease with depressed mood
- Depressed mood
- Progressive aphasia in Alzheimer disease
- Dementia of the Alzheimer type with behavioral disturbance
- Alzheimer's Dementia
- Altered behavior in Alzheimers disease
- Alzheimer syndrome
- Dementia of the Alzheimer's type NOS
- Alzheimer dementia (AD)
- ALZHEIMER DIS
- AD - Alzheimer's disease
- Dementia Alzheimer's type
- Alzheimer-type dementia (ATD)
- Alzheimer's disease with altered behaviour
- Delusions in Alzheimer's disease
- Alzheimer's disease with delirium
- ALZHEIMERS DIS
- Alzheimer's disease with delusions
- Dementia with behavioural disturbance
- Alzheimers dementia with depressed mood
- Dementia with behavioral disturbance
- Alzheimer Type Senile Dementia
- alzheimers dementia
- Alzheimer disease
- Primary Senile Degenerative Dementia
- senile dementia
- Alzheimer's disease with altered behavior
- Late onset Alzheimer's dementia with behavioural disturbance
- Delusions in Alzheimer disease
- Alzheimer Type Dementia
- Dementia, Alzheimer-Type (ATD)
- Dementia of the Alzheimer type with behavioural disturbance
- Depressed mood in Alzheimer's disease
- Late onset Alzheimer's dementia with behavioral disturbance
- Altered behavior in Alzheimer disease
- SDAT
- Dementia, Alzheimer Type
- Alzheimer Dementia
- Behavioral disturbance co-occurrent and due to late onset Alzheimer dementia
- Progressive aphasia in Alzheimer's disease
- Depressed mood in Alzheimer disease
- Senile Dementia, Alzheimer Type
- alzheimer's diseases
- Alzheimer Diseases
- Altered behavior in Alzheimer's disease
- alzheimers disease
- DAT
- Altered behaviour in Alzheimer's disease
- Alzheimer sclerosis
- Alzheimers Diseases
- Sclerosis, Alzheimer
- dementia alzheimers
- Alzheimer disease with psychosis
- Focal Alzheimer disease
- Focal Alzheimer's disease
- Alzheimer's disease with psychosis
- Progressive aphasia
- Dementia, Alzheimer
- Dementia, Senile
- Behavioural disturbance co-occurrent and due to late onset Alzheimer dementia
- Alzheimer Type Dementia (ATD)
Frequently Asked Questions
What is the ICD-10 code for alzheimer's disease, unspecified?
The ICD-10-CM code for alzheimer's disease, unspecified is G30.9. The full clinical description is "Alzheimer's disease, unspecified". G30.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G30.9 mean?
ICD-10-CM code G30.9 represents “Alzheimer's disease, unspecified”. It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.
Is G30.9 a billable code?
Yes, G30.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G30.9 in?
G30.9 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G30.9?
G30.9 has Excludes1 notes indicating codes that cannot be used together with it, including: senile degeneration of brain NEC (G31.1); senile dementia NOS (F03.-); senility NOS (R41.81).
Are additional codes required with G30.9?
Yes, when using G30.9, also report: code, if applicable, to identify:; delirium, if applicable (F05); dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4); dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-); dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3); dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2); dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0); mild neurocognitive disorder due to known physiological condition (F06.7-).
What SNOMED CT codes does G30.9 map to?
G30.9 maps to 13 SNOMED CT concepts: 26929004, 97751000119108, 1259128002, 142011000119109, 141991000119109, and 8 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G30.9?
G30.9 is linked to 1 UMLS Concept Unique Identifier: C0002395. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G30.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like alzheimer's disease, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of G30.9?
G30.9 maps to the ICD-11 code: 8A20 (Alzheimer disease).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.