G12.0
✓ BillableInfantile spinal muscular atrophy, type I [Werdnig-Hoffman]
Diseases of the nervous system (G00-G99)
Clinical Description
ICD-10-CM code G12.0 represents infantile spinal muscular atrophy, type i [werdnig-hoffman]. This code falls under the Diseases of the nervous system (G00-G99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code G12.0?
ICD-10-CM code G12.0 is "Infantile spinal muscular atrophy, type I [Werdnig-Hoffman]". It belongs to the category: Diseases of the nervous system (G00-G99).
Is G12.0 a billable ICD-10 code?
Yes, G12.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Related Codes in G12
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)