ICD-10-CM
ICD-10 code for Hallervorden-Spatz disease: G23.0
The ICD-10-CM index points "Hallervorden-Spatz disease" to G23.0, Hallervorden-Spatz disease. G23.0 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in G23
A header groups codes and is not billed. A billable code is one you can report.
- G23Other degenerative diseases of basal gangliaHeader
- 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
- G23.8Other specified degenerative diseases of basal gangliaBillable
- G23.9Degenerative disease of basal ganglia, unspecifiedBillable
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From G23. A note on a category applies to every code under it.
Related conditions
Related pages
- G23.0 code detailsNotes, nearby codes, CMS-HCC group
- Category G23Every code under it
- Chapter 6Diseases of the nervous system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Hallervorden-Spatz disease?
The ICD-10-CM index points "Hallervorden-Spatz disease" to G23.0, Hallervorden-Spatz disease. G23.0 is a billable code.
Is G23.0 billable?
Yes. G23.0 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to G23.0?
The CDC tabular list gives 1 Excludes2 note (may be coded together when both are documented) for G23.0 and the categories above it. They are listed on this page.
What chapter is G23.0 in?
Chapter 6. Diseases of the nervous system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.