H48.0** Asterisk (manifestation)
Optic atrophy in diseases classified elsewhere
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 tableCoding guidance (WHO 2019)
Optic atrophy in late syphilis (A52.1†)