| H16.321 | Diffuse interstitial keratitis, right eye | BILLABLE CODE |
| H16.322 | Diffuse interstitial keratitis, left eye | BILLABLE CODE |
| H16.323 | Diffuse interstitial keratitis, bilateral | BILLABLE CODE |
| H16.329 | Diffuse interstitial keratitis, unspecified eye | BILLABLE CODE |
