Is O9A a billable code?
No. O9A is a header code that groups 30 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
O9A: Maternal malignant neoplasms, traumatic injuries and abuse classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
O9A groups related diagnoses under maternal malignant neoplasms, traumatic injuries and abuse classifiable elsewhere but complicating pregnancy, childbirth and the puerperium. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under O9A
- O9A.111Malignant neoplasm complicating pregnancy, first trimester
- O9A.112Malignant neoplasm complicating pregnancy, second trimester
- O9A.113Malignant neoplasm complicating pregnancy, third trimester
- O9A.119Malignant neoplasm complicating pregnancy, unspecified trimester
- O9A.12Malignant neoplasm complicating childbirth
- O9A.13Malignant neoplasm complicating the puerperium
- O9A.211Injury, poisoning and certain other consequences of external causes complicating pregnancy, first trimester
- O9A.212Injury, poisoning and certain other consequences of external causes complicating pregnancy, second trimester
- O9A.213Injury, poisoning and certain other consequences of external causes complicating pregnancy, third trimester
- O9A.219Injury, poisoning and certain other consequences of external causes complicating pregnancy, unspecified trimester
- O9A.22Injury, poisoning and certain other consequences of external causes complicating childbirth
- O9A.23Injury, poisoning and certain other consequences of external causes complicating the puerperium
- O9A.311Physical abuse complicating pregnancy, first trimester
- O9A.312Physical abuse complicating pregnancy, second trimester
- O9A.313Physical abuse complicating pregnancy, third trimester
- O9A.319Physical abuse complicating pregnancy, unspecified trimester
- O9A.32Physical abuse complicating childbirth
- O9A.33Physical abuse complicating the puerperium
- O9A.411Sexual abuse complicating pregnancy, first trimester
- O9A.412Sexual abuse complicating pregnancy, second trimester
- O9A.413Sexual abuse complicating pregnancy, third trimester
- O9A.419Sexual abuse complicating pregnancy, unspecified trimester
- O9A.42Sexual abuse complicating childbirth
- O9A.43Sexual abuse complicating the puerperium
- O9A.511Psychological abuse complicating pregnancy, first trimester
- O9A.512Psychological abuse complicating pregnancy, second trimester
- O9A.513Psychological abuse complicating pregnancy, third trimester
- O9A.519Psychological abuse complicating pregnancy, unspecified trimester
- O9A.52Psychological abuse complicating childbirth
- O9A.53Psychological abuse complicating the puerperium
O9A questions
What does O9A mean?
O9A is the ICD-10-CM code for Maternal malignant neoplasms, traumatic injuries and abuse classifiable elsewhere but complicating pregnancy, childbirth and the puerperium. It is in chapter 15, Pregnancy, childbirth and the puerperium (O00-O9A).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.