N51.1** Asterisk (manifestation)
Disorders of testis and epididymis in diseases classified elsewhere
Coding rules (TT06)
- ●Cannot be used as primary diagnosis
- ●Applies only/mainly to males
Dual coding (†/*)
This is an asterisk (*) manifestation code — usually paired with a dagger (†) etiology code.
Paired codesB26.0†Mumps orchitis (N51.1*)
→ Full dagger (†) ↔ asterisk (*) mapping tableCoding guidance (WHO 2019)
Chlamydial: epididymitis (A56.1†) orchitis (A56.1†) Gonococcal: epididymitis (A54.2†) orchitis (A54.2†) Mumps orchitis (B26.0†) Tuberculosis of: epididymis (A18.1†) testis (A18.1†)