F19.97
BillableOther psychoactive substance use, unspecified with psychoactive substance-induced persisting dementia
HCC Category Mapping
What This Code Means
A progressive decline in thinking, memory, and daily functioning that persists as a lasting consequence of psychoactive substance use.
Coding Tips
- •Differentiate between substance-induced persisting dementia and primary neurodegenerative dementias
- •Document cognitive testing results and functional decline timeline
Clinical Significance
Other psychoactive substance use, unspecified with substance-induced persisting dementia represents a progressive and lasting decline in multiple cognitive domains (memory, reasoning, language, executive function) caused by substance use. This is among the most severe long-term consequences of substance abuse and requires extensive ongoing care. The 'persisting' designation indicates permanent brain damage that continues after substance cessation, significantly impacting the patient's ability to function independently.
Documentation Requirements
- ✓Documentation of current or historical psychoactive substance use
- ✓Comprehensive cognitive assessment demonstrating deficits in multiple domains (memory, executive function, language, visuospatial)
- ✓Provider determination that dementia is substance-induced and not due to neurodegenerative disease
- ✓Functional impact assessment showing decline from prior baseline
- ✓Neuroimaging findings when available (cerebral atrophy, white matter disease)
- ✓Assessment of the patient's capacity for self-care and decision-making