- G31.1 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 G31.1 became effective on October 1, 2022.
- This is the American ICD-10-CM version of G31.1 – other international versions of ICD-10 G31.1 may differ.
ICD-10-CM G31.1 is grouped within Diagnostic Related Group(s):
- 056 Degenerative nervous system disorders with mcc
- 057 Degenerative nervous system disorders without mcc
Type 1 Excludes
- Alzheimer’s disease (G30.-)
- senility NOS (R41.81)
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 G31.1:
- senile NEC > brain (cortex) (progressive) G31.9
- senile NEC > brain (cortical) (progressive) G31.9
- motor centers, senile > Degeneration, degenerative
- brain > senile R54
- motor centers > senile R54
- senile NEC > brain G93.9