F00.9** Asterisk (manifestation)
Dementia in Alzheimer disease, unspecified (G30.9†)
Coding rules (TT06)
- ●Cannot be used as primary diagnosis
Dual coding (†/*)
This is an asterisk (*) manifestation code — usually paired with a dagger (†) etiology code.
→ Full dagger (†) ↔ asterisk (*) mapping table