2024 ICD-10-CM Diagnosis Code G23.3

by

Hypomyelination with atrophy of the basal ganglia and cerebellum

  • G23.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Hypomyelination with atrophy of basal ganglia and cerebellum
  • ICD-10-CM G23.3 is a new 2024 ICD-10-CM code that became effective on October 1, 2023.
  • This is the American ICD-10-CM version of G23.3 – other international versions of ICD-10 G23.3 may differ.

Applicable To

  • H-ABC

The following code(s) above G23.3 contain annotation back-references

 that may be applicable to G23.3:

  • G00-G99  Diseases of the nervous system
  • G23  Other degenerative diseases of basal ganglia

ICD-10-CM G23.3 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 056 Degenerative nervous system disorders with mcc
  • 057 Degenerative nervous system disorders without mcc

Code History

  • 2024 (effective 10/1/2023): New code

Diagnosis Index entries containing back-references to G23.3:

  • H-ABC G23.3 (hypomyelination with atrophy of the basal ganglia and cerebellum)
  • Hypomyelination with atrophy of the basal ganglia and cerebellum G23.3 (H-ABC)