G12.2 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
G12.20
Motor neuron disease, unspecified
Billable
10
G12.21
Amyotrophic lateral sclerosis
Billable
10
G12.22
Progressive bulbar palsy
Billable
10
G12.29
Other motor neuron disease
Billable