H16.25 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
H16.251
Phlyctenular keratoconjunctivitis, right eye
Billable
10
H16.252
Phlyctenular keratoconjunctivitis, left eye
Billable
10
H16.253
Phlyctenular keratoconjunctivitis, bilateral
Billable
10
H16.259
Phlyctenular keratoconjunctivitis, unspecified eye
Billable