G31.84
BillableMild cognitive impairment of uncertain or unknown etiology
Mild cognitive impairment of uncertain or unknown etiology
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Mild cognitive disorder NOS
- Mild neurocognitive disorder of uncertain or unknown etiology
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- age related cognitive decline (R41.81)
- altered mental status (R41.82)
- cerebral degeneration (G31.9)
- cerebrovascular diseases (I60-I69)
- change in mental status (R41.82)
- cognitive deficits following (sequelae of) cerebral hemorrhage or infarction (I69.01-, I69.11-, I69.21-, I69.31-, I69.81-, I69.91-)
- cognitive impairment due to intracranial or head injury (S06.-)
- dementia (F01.-, F02.-, F03.-)
- mild neurocognitive disorder due to a known physiological condition (F06.7-)
- neurologic neglect syndrome (R41.4)
- personality change, nonpsychotic (F68.8)
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- Reye's syndrome (G93.7)
Use Additional Code
Additional codes that should follow this code
- code, if applicable, for codes G31.0-G31.83, G31.85-G31.9, to identify:
- 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-)
- code to identify presence of:
- alcohol abuse and dependence (F10.-)
- exposure to environmental tobacco smoke (Z77.22)
- history of tobacco dependence (Z87.891)
- hypertension (I10-I1A)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
Also Known As / Clinical Terms
SNOMED CT
UMLS
- Cognitive Impairment, MildC1270972
- Cognitive Impairments, MildC1270972
- Cognitive impairment, mildC1270972
- Cognitive impairment, mild,C1270972
- Impairment, Mild CognitiveC1270972
- Impairments, Mild CognitiveC1270972
- MCIC1270972
- Mild Cognitive ImpairmentC1270972
- Mild Cognitive ImpairmentsC1270972
- Mild cognitive disorderC1270972
- Mild cognitive disorder NOSC1270972
- Mild cognitive impairmentC1270972
- Mild cognitive impairment of uncertain or unknown etiologyC5675008
- Mild neurocognitive disorder of uncertain or unknown etiologyC5676456
Frequently Asked Questions
What is ICD-10 code G31.84?
ICD-10-CM code G31.84 represents "Mild cognitive impairment of uncertain or unknown etiology". It is a billable/specific code that can be used on a claim.
Is G31.84 a billable code?
Yes, G31.84 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G31.84 in?
G31.84 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G31.84?
G31.84 has Excludes1 notes indicating codes that cannot be used together with it, including: age related cognitive decline (R41.81); altered mental status (R41.82); cerebral degeneration (G31.9); and 8 more.
Are additional codes required with G31.84?
Yes, when using G31.84 you should also code: code, if applicable, for codes G31.0-G31.83, G31.85-G31.9, to identify:; 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-); code to identify presence of:; alcohol abuse and dependence (F10.-); exposure to environmental tobacco smoke (Z77.22); history of tobacco dependence (Z87.891); hypertension (I10-I1A); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).
What SNOMED CT codes does G31.84 map to?
G31.84 maps to 3 SNOMED CT concepts: 836301008, 709073001, 386805003. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G31.84?
G31.84 is linked to 3 UMLS Concept Unique Identifiers: C1270972, C5675008, C5676456. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.