H16.00 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
H16.001
Unspecified corneal ulcer, right eye
Billable
10
H16.002
Unspecified corneal ulcer, left eye
Billable
10
H16.003
Unspecified corneal ulcer, bilateral
Billable
10
H16.009
Unspecified corneal ulcer, unspecified eye
Billable