| Full description | Inherited neoplasm predisposition syndromes involving multiple systems, not elsewhere classified |
| Billable | No — use a more specific child code |
| Chapter | Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1) |
| Section | Genetic disorders, not elsewhere classified (QA0-QA1) |
| Parent code | QA1 — Genetic disorders associated with neoplasms, NEC |