| H04.51 | Dacryolith | NON-BILLABLE CODE |
| H04.511 | Dacryolith of right lacrimal passage | BILLABLE CODE |
| H04.512 | Dacryolith of left lacrimal passage | BILLABLE CODE |
| H04.513 | Dacryolith of bilateral lacrimal passages | BILLABLE CODE |
| H04.519 | Dacryolith of unspecified lacrimal passage | BILLABLE CODE |
| H04.52 | Eversion of lacrimal punctum | NON-BILLABLE CODE |
| H04.521 | Eversion of right lacrimal punctum | BILLABLE CODE |
| H04.522 | Eversion of left lacrimal punctum | BILLABLE CODE |
| H04.523 | Eversion of bilateral lacrimal punctum | BILLABLE CODE |
| H04.529 | Eversion of unspecified lacrimal punctum | BILLABLE CODE |
| H04.53 | Neonatal obstruction of nasolacrimal duct | NON-BILLABLE CODE |
| H04.531 | Neonatal obstruction of right nasolacrimal duct | BILLABLE CODE |
| H04.532 | Neonatal obstruction of left nasolacrimal duct | BILLABLE CODE |
| H04.533 | Neonatal obstruction of bilateral nasolacrimal duct | BILLABLE CODE |
| H04.539 | Neonatal obstruction of unspecified nasolacrimal duct | BILLABLE CODE |
| H04.54 | Stenosis of lacrimal canaliculi | NON-BILLABLE CODE |
| H04.541 | Stenosis of right lacrimal canaliculi | BILLABLE CODE |
| H04.542 | Stenosis of left lacrimal canaliculi | BILLABLE CODE |
| H04.543 | Stenosis of bilateral lacrimal canaliculi | BILLABLE CODE |
| H04.549 | Stenosis of unspecified lacrimal canaliculi | BILLABLE CODE |
| H04.55 | Acquired stenosis of nasolacrimal duct | NON-BILLABLE CODE |
| H04.551 | Acquired stenosis of right nasolacrimal duct | BILLABLE CODE |
| H04.552 | Acquired stenosis of left nasolacrimal duct | BILLABLE CODE |
| H04.553 | Acquired stenosis of bilateral nasolacrimal duct | BILLABLE CODE |
| H04.559 | Acquired stenosis of unspecified nasolacrimal duct | BILLABLE CODE |
| H04.56 | Stenosis of lacrimal punctum | NON-BILLABLE CODE |
| H04.561 | Stenosis of right lacrimal punctum | BILLABLE CODE |
| H04.562 | Stenosis of left lacrimal punctum | BILLABLE CODE |
| H04.563 | Stenosis of bilateral lacrimal punctum | BILLABLE CODE |
| H04.569 | Stenosis of unspecified lacrimal punctum | BILLABLE CODE |
| H04.57 | Stenosis of lacrimal sac | NON-BILLABLE CODE |
| H04.571 | Stenosis of right lacrimal sac | BILLABLE CODE |
| H04.572 | Stenosis of left lacrimal sac | BILLABLE CODE |
| H04.573 | Stenosis of bilateral lacrimal sac | BILLABLE CODE |
| H04.579 | Stenosis of unspecified lacrimal sac | BILLABLE CODE |
