- G31.09 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 G31.09 became effective on October 1, 2022.
- This is the American ICD-10-CM version of G31.09 – other international versions of ICD-10 G31.09 may differ.
ICD-10-CM G31.09 is grouped within Diagnostic Related Group(s):
- 056 Degenerative nervous system disorders with mcc
- 057 Degenerative nervous system disorders without mcc
Applicable To
- Frontal dementia
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 G31.09:
- sclerosis, lobar (of brain) > Atrophy, atrophic (of)
- with behavioral disturbance > sclerosis, lobar (of brain) G31.09
- frontal (lobe) > Dementia (degenerative (primary)) (old age) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) F03.90
- with behavioral disturbance > frontal (lobe) G31.09
- frontotemporal > Dementia (degenerative (primary)) (old age) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) F03.90
- with behavioral disturbance > frontotemporal G31.09
- specified NEC > frontotemporal G31.09
- with behavioral disturbance > specified NEC G31.09
- frontotemporal, specified NEC > neurocognitive R41.9