2014 ICD-9-CM Diagnosis Code 331.1
- There are 2 ICD-9-CM codes below 331.1 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
- A syndrome caused by progressive degeneration of the frontal or temporal lobes of the brain. It is manifested with personality changes and deterioration of the language skills.
- The most common clinical form of frontotemporal lobar degeneration, this dementia presents with personality and behavioral changes often associated with disinhibition, apathy, and lack of insight.