Other specified degenerative diseases of basal ganglia
Billable / specificHCC V28 199
G23.8 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Applicable to
- Calcification of basal ganglia
Excludes2
Not included here — may be reported together when both conditions exist.
- certain conditions originating in the perinatal period (P04-P96) (from G23)
- certain infectious and parasitic diseases (A00-B99) (from G23)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from G23)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from G23)
- endocrine, nutritional and metabolic diseases (E00-E88) (from G23)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from G23)
- neoplasms (C00-D49) (from G23)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from G23)
- multi-system degeneration of the autonomic nervous system (G90.3) (from G23)
Also known as
- Calcification of basal ganglia
- Atrophy, atrophic, Déjérine-Thomas
- Atrophy, atrophic, olivopontocerebellar
- Calcification, basal ganglia
- Degeneration, degenerative, basal nuclei or ganglia, specified NEC
- Degeneration, degenerative, olivopontocerebellar
- Déjérine-Thomas atrophy
- Disease, diseased, basal ganglia, degenerative, specified NEC
- Disease, diseased, Fahr
- Fahr disease
Parent code
- G23Other degenerative diseases of basal gangliaHeader
Related codes
- G23.0Hallervorden-Spatz diseaseBillable
- G23.1Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski]Billable
- G23.2Striatonigral degenerationBillable
- G23.3Hypomyelination with atrophy of the basal ganglia and cerebellumBillable
- G23.9Degenerative disease of basal ganglia, unspecifiedBillable