G23.3
Billable codeHypomyelination with atrophy of the basal ganglia and cerebellum
The ICD-10 code for hypomyelination with atrophy of the basal ganglia and cerebellum is G23.3.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- H-ABC
- TUBB4A-related neurologic disorders
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- G23.0Hallervorden-Spatz disease
- G23.1Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski]
- G23.2Striatonigral degeneration
- G23.8Other specified degenerative diseases of basal ganglia
- G23.9Degenerative disease of basal ganglia, unspecified
- G23.3Hypomyelination with atrophy of the basal ganglia and cerebellum
Associated MS-DRGs
G23.3 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.