2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Hereditary And Degenerative Diseases Of The Central Nervous System 330-338 > Parkinson's Disease 332.* > 2006 ICD-9-CM Diagnosis 332.1 Secondary parkinsonism View the most recent version of ICD-9-CM 332.1 Conditions which feature clinical manifestations resembling primary Parkinson disease that are caused by a known or suspected condition. Examples include parkinsonism caused by vascular injury, drugs, trauma, toxin exposure, neoplasms, infections and degenerative or hereditary conditions. Clinical features may include bradykinesia, rigidity, parkinsonian gait, and masked facies. In general, tremor is less prominent in secondary parkinsonism than in the primary form. 332.1 is a specific code that can be used to specify a diagnosis 332.1 contains 3 index entries View the ICD-9-CM Volume 1 332.* hierarchy Alternate Terminology Neuroleptic-induced Parkinsonism Parkinsonism due to drugs 332.1 Excludes Parkinsonism (in): Huntington's disease (333.4) progressive supranuclear palsy (333.0) Shy-Drager syndrome (333.0) syphilitic (094.82)  Index entries containing 332.1: Parkinsonism (arteriosclerotic) (idiopathic) (primary) 332.0 due to drugs 332.1 neuroleptic-induced 332.1 secondary 332.1