G12.0 – Infantile spinal muscular atrophy, type I [Werdnig-Hoffman]
ICD-10-CM 2027 diagnosis code · Systemic atrophies primarily affecting the central nervous system
ICD-10-CM code
G12.0
- Code
G12.0(claims format:G120)- Description
- Infantile spinal muscular atrophy, type I [Werdnig-Hoffman]
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 6. Diseases of the nervous system (G00-G99)
- Block
- G10-G14 Systemic atrophies primarily affecting the central nervous system
- Parent codes
- G12
Index terms for G12.0
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Syndrome, Werdnig-Hoffman
- Werdnig-Hoffmann syndrome
- Syndrome, Hoffmann-Werdnig
- Atrophy, atrophic, Werdnig-Hoffmann
- Disease, diseased, Werdnig-Hoffmann
- Atrophy, atrophic, muscle, muscular, infantile spinal
- Atrophy, atrophic, muscle, muscular, progressive, infantile
- Atrophy, atrophic, muscle, muscular, spinal, infantile, type I
- Atrophy, atrophic, muscle, muscular, progressive, spinal, infantile
Related codes in G12
Frequently asked questions
What is ICD-10 code G12.0?
G12.0 is the ICD-10-CM code for infantile spinal muscular atrophy, type I [Werdnig-Hoffman], in the block G10-G14 (Systemic atrophies primarily affecting the central nervous system).
Is G12.0 a billable code?
Yes. G12.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does G12.0 belong to?
It belongs to category G12 – Spinal muscular atrophy and related syndromes.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.