H18.1 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
H18.10
Bullous keratopathy, unspecified eye
Billable
10
H18.11
Bullous keratopathy, right eye
Billable
10
H18.12
Bullous keratopathy, left eye
Billable
10
H18.13
Bullous keratopathy, bilateral
Billable