G12.2 – Motor neuron disease
ICD-10-CM 2027 diagnosis code · Systemic atrophies primarily affecting the central nervous system
ICD-10-CM code
G12.2
- Code
G12.2(claims format:G122)- Description
- Motor neuron disease
- Billable
- No – use a more specific code below
- 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
Billable codes under G12.2
G12.2 is a header code and cannot be used on claims. Choose the most specific code:
- G12.20 – Motor neuron disease, unspecifiedBillable
- G12.21 – Amyotrophic lateral sclerosisBillable
- G12.22 – Progressive bulbar palsyBillable
- G12.23 – Primary lateral sclerosisBillable
- G12.24 – Familial motor neuron diseaseBillable
- G12.25 – Progressive spinal muscle atrophyBillable
- G12.29 – Other motor neuron diseaseBillable
Related codes in G12
Frequently asked questions
What is ICD-10 code G12.2?
G12.2 is the ICD-10-CM code for motor neuron disease, in the block G10-G14 (Systemic atrophies primarily affecting the central nervous system).
Is G12.2 a billable code?
No. G12.2 is a header code with more specific child codes; report one of the billable codes listed above.
What category does G12.2 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.