H18.45 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
H18.451
Nodular corneal degeneration, right eye
Billable
10
H18.452
Nodular corneal degeneration, left eye
Billable
10
H18.453
Nodular corneal degeneration, bilateral
Billable
10
H18.459
Nodular corneal degeneration, unspecified eye
Billable