H49.0 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
H49.00
Third [oculomotor] nerve palsy, unspecified eye
Billable
10
H49.01
Third [oculomotor] nerve palsy, right eye
Billable
10
H49.02
Third [oculomotor] nerve palsy, left eye
Billable
10
H49.03
Third [oculomotor] nerve palsy, bilateral
Billable