ICD-10-CM > G00-G99 > G20-G26 > G21 > G21.1 > G21.11 G21.11 Neuroleptic induced parkinsonism Billable/Specific Copy Code Copy Description Use Additional code for adverse effect, if applicable, to identify drug (T43.3X5, T43.4X5, T43.505, T43.595) Type 1 Excludes malignant neuroleptic syndrome (G21.0)
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