G12.1 – Other inherited spinal muscular atrophy
ICD-10-CM 2027 diagnosis code · Systemic atrophies primarily affecting the central nervous system
ICD-10-CM code
G12.1
- Code
G12.1(claims format:G121)- Description
- Other inherited spinal muscular atrophy
- 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
Notes for G12.1
Applicable to:
- Adult form spinal muscular atrophy
- Childhood form, type II spinal muscular atrophy
- Distal spinal muscular atrophy
- Juvenile form, type III spinal muscular atrophy [Kugelberg-Welander]
- Progressive bulbar palsy of childhood [Fazio-Londe]
- Scapuloperoneal form spinal muscular atrophy
Index terms for G12.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Kugelberg-Welander disease
- Palsy, bulbar, of childhood
- Fazio-Londe disease or syndrome
- Atrophy, atrophic, muscle, muscular, spinal, distal
- Atrophy, atrophic, muscle, muscular, progressive, adult
- Atrophy, atrophic, muscle, muscular, spinal, adult form
- Atrophy, atrophic, muscle, muscular, spinal, hereditary NEC
- Atrophy, atrophic, muscle, muscular, progressive, spinal, adult
- Atrophy, atrophic, muscle, muscular, spinal, scapuloperoneal form
- Atrophy, atrophic, muscle, muscular, spinal, childhood form, type II
- Atrophy, atrophic, muscle, muscular, spinal, juvenile form, type III
Related codes in G12
Frequently asked questions
What is ICD-10 code G12.1?
G12.1 is the ICD-10-CM code for other inherited spinal muscular atrophy, in the block G10-G14 (Systemic atrophies primarily affecting the central nervous system).
Is G12.1 a billable code?
Yes. G12.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does G12.1 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.