G12Header code — not billable
Spinal muscular atrophy and related syndromes
- Chapter
- 6. Diseases of the nervous system
- Category
- G12
- Effective date
- October 1, 2026
Related codes in category G12
G12.0Infantile 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 palsyYesG12.23Primary lateral sclerosisYesG12.24Familial 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?
G12 is an ICD-10-CM diagnosis code for Spinal muscular atrophy and related syndromes.
Is G12 a billable code?
No. G12 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is G12 in?
G12 falls under Chapter 6: Diseases of the nervous system.
When did G12 become effective?
G12 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to G12?
G12 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.