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G213-char group

Secondary parkinsonism

⇄ Primary-code rule changed vs QĐ4469

Coding rules (TT06)

  • ●Avoid — more specific 4-5 char codes exist (see below)

Codes within G21

G21.0Malignant neuroleptic syndromeG21.1Other drug-induced secondary parkinsonismG21.2Secondary parkinsonism due to other external agentsG21.3Postencephalitic parkinsonismG21.4Vascular parkinsonismG21.8Other secondary parkinsonismG21.9Secondary parkinsonism, unspecified