G31.84

https://www.icd10data.com/ICD10CM/Codes/G00-G99/G30-G32/G31-/G31.84

https://www.alz.org/alzheimers-dementia/what-is-dementia/related_conditions/mild-cognitive-impairment

https://www.alz.org/research/for_researchers/diagnostic-criteria-guidelines