G21.19 Other drug induced secondary parkinsonism
Instructional Notes:
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G21.19
Description: Other drug induced secondary parkinsonism
Use Additional Code:
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Inclusion Term:
- Other medication-induced parkinsonism
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G21.1
Description: Other drug-induced secondary parkinsonism
↓
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G21
Description: Secondary parkinsonism
Exclude1:
- Huntington's disease (G10)
- neurocognitive disorder with Lewy bodies (G31.83)
- Shy-Drager syndrome (G90.3)
- syphilitic Parkinsonism (A52.19)
↓
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G20-G26
Description: Extrapyramidal and movement disorders (G20-G26)
↓
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G00-G99
Description: Diseases of the nervous system
Exclude2:
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)