G13*3-char group* Asterisk (manifestation)

Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere

⇄ Primary-code rule changed vs QĐ4469

Coding rules (TT06)

●Cannot be used as primary diagnosis
●Avoid — more specific 4-5 char codes exist (see below)

Dual coding (†/*)

This is an asterisk (*) manifestation code — usually paired with a dagger (†) etiology code.

→ Full dagger (†) ↔ asterisk (*) mapping table

Codes within G13*

G13.0*Paraneoplastic neuromyopathy and neuropathy G13.1*Other systemic atrophy primarily affecting central nervous system in neoplastic disease G13.2*Systemic atrophy primarily affecting central nervous system in myxoedema (E00.1†, E03.-†)G13.8*Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere