- G23.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM G23.8 became effective on October 1, 2022.
- This is the American ICD-10-CM version of G23.8 – other international versions of ICD-10 G23.8 may differ.
ICD-10-CM G23.8 is grouped within Diagnostic Related Group(s):
- 056 Degenerative nervous system disorders with mcc
- 057 Degenerative nervous system disorders without mcc
Applicable To
- Calcification of basal ganglia
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to G23.8:
- Déjérine-Thomas > Atrophy, atrophic (of)
- olivopontocerebellar > Atrophy, atrophic (of)
- basal ganglia > Calcification
- specified NEC > basal nuclei or ganglia G23.9
- olivopontocerebellar (hereditary) (familial) > Degeneration, degenerative
- specified NEC > degenerative G23.9
- Fahr (of brain) > Disease, diseased