| Billable | No — use a more specific child code |
| Chapter | Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1) |
| Section | Congenital malformations of eye, ear, face and neck (Q10-Q18) |
| Parent code | Q13 — Congenital malformations of anterior segment of eye |