- G31.83 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 G31.83 became effective on October 1, 2022.
- This is the American ICD-10-CM version of G31.83 – other international versions of ICD-10 G31.83 may differ.
ICD-10-CM G31.83 is grouped within Diagnostic Related Group(s):
- 056 Degenerative nervous system disorders with mcc
- 057 Degenerative nervous system disorders without mcc
Applicable To
- Lewy body dementia
- Lewy body disease
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 G31.83:
- Lewy bodies > with F03.911
- with behavioral disturbance > Lewy bodies G31.83
- Lewy body > Dementia (degenerative (primary)) (old age) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) F03.90
- with behavioral disturbance > Lewy body G31.83
- Lewy body (dementia) > Disease, diseased
- with behavioral disturbance > Lewy body (dementia) G31.83
- with Lewy bodies > neurocognitive R41.9