I98.0** Asterisk (manifestation)
Cardiovascular syphilis
Coding rules (TT06)
- ●Cannot be used as primary diagnosis
Dual coding (†/*)
This is an asterisk (*) manifestation code — usually paired with a dagger (†) etiology code.
Paired codesA52.0†Cardiovascular syphilis
→ Full dagger (†) ↔ asterisk (*) mapping tableCoding guidance (WHO 2019)
Cardiovascular syphilis: NOS (A52.0†) congenital, late (A50.5†)
Sibling codes
I98*Other disorders of circulatory system in diseases classified elsewhereI98.1*Cardiovascular disorders in other infectious and parasitic diseases classified elsewhereI98.2*Oesophageal varices without bleeding in diseases classified elsewhereI98.3*Oesophageal varices with bleeding in diseases classified elsewhereI98.8*Other specified disorders of circulatory system in diseases classified elsewhere