| Full description | Injury, poisoning and certain other consequences of external causes complicating pregnancy, unspecified trimester |
| Billable | Yes |
| Chapter | Chapter 15: Pregnancy, childbirth and the puerperium (O00-O9A) |
| Section | Other obstetric conditions, not elsewhere classified (O94-O9A) |
| Parent code | O9A.21 — Inj/poisn/oth conseq of external causes comp pregnancy |