G21.8 - Other secondary parkinsonism
- Applicable to Other secondary parkinsonism
- The 2025 edition of ICD10-CM G21.8 became effective on October 1, 2024.
- This is the American ICD10-CM version of G21.8 - other international versions of ICD10 G21.8 may differ.
- G21.8 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The following codes above G21.8 contain annotation back-references that may be applicable to G21.8:
Chapter: G00-G99 Diseases of the nervous system
Section: G20-G26 Extrapyramidal and movement disorders
Category: G21 Secondary parkinsonism
Billable/Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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