H16.03 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
H16.031
Corneal ulcer with hypopyon, right eye
Billable
10
H16.032
Corneal ulcer with hypopyon, left eye
Billable
10
H16.033
Corneal ulcer with hypopyon, bilateral
Billable
10
H16.039
Corneal ulcer with hypopyon, unspecified eye
Billable