G12.23Billable
Primary lateral sclerosis
- Chapter
- 6. Diseases of the nervous system
- Category
- G12
- Effective date
- October 1, 2026
Related codes in category G12
G12Spinal muscular atrophy and related syndromesG12.0Infantile spinal muscular atrophy, type I [Werdnig-Hoffman]YesG12.1Other inherited spinal muscular atrophyYesG12.2Motor neuron diseaseG12.20Motor neuron disease, unspecifiedYesG12.21Amyotrophic lateral sclerosisYesG12.22Progressive bulbar palsyYesG12.24Familial motor neuron diseaseYesG12.25Progressive spinal muscle atrophyYesG12.29Other motor neuron diseaseYesG12.8Other spinal muscular atrophies and related syndromesYesG12.9Spinal muscular atrophy, unspecifiedYes
Frequently asked questions
What is ICD-10 code G12.23?
G12.23 is an ICD-10-CM diagnosis code for Primary lateral sclerosis.
Is G12.23 a billable code?
Yes. G12.23 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is G12.23 in?
G12.23 falls under Chapter 6: Diseases of the nervous system.
When did G12.23 become effective?
G12.23 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to G12.23?
G12.23 belongs to category G12, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.