2025 ICD-10-CM code O9A.1
(Active) Effective Date: N/A Pregnancy, childbirth and the puerperium - Other obstetric conditions, not elsewhere classified 15 Feed
Malignant neoplasm complicating pregnancy, childbirth, and the puerperium.
The medical necessity for this code is established by the presence of a malignant neoplasm diagnosed during pregnancy, childbirth, or the puerperium. The medical record should clearly document the diagnosis and its potential or actual impact on the pregnancy, delivery, or postpartum period.
The physician is responsible for diagnosing and managing the malignancy while considering the patient's pregnancy status. This involves collaboration with oncologists and other specialists as needed to develop a treatment plan that balances the mother's health with the safety of the fetus.
In simple words: This code indicates a malignant cancer affecting a pregnant woman, which may complicate the pregnancy, childbirth, or postpartum period.A separate code is needed to specify the type of cancer.
Malignant neoplasm complicating pregnancy, childbirth, and the puerperium. Use additional code to identify neoplasm (C00-C96).
Example 1: A 28-year-old woman in her second trimester is diagnosed with breast cancer. Code O9A.1 is used along with the appropriate code for breast cancer (e.g., C50.919)., A 35-year-old woman with a history of melanoma discovers during her first trimester that the melanoma has metastasized.Code O9A.1 along with the melanoma code (e.g., C43.9) would be used., A woman delivers a healthy baby at term but is diagnosed with leukemia during the postpartum period. Code O9A.1 along with a code specifying the type of leukemia (e.g., C92.00) is used.
Documentation should include the diagnosis of the malignancy, confirmation of the pregnancy, and any impact of the malignancy on the pregnancy, delivery, or postpartum period. The specific type and stage of cancer should be documented.
** It is important to distinguish between conditions related to the pregnancy and conditions that are incidentally present during pregnancy. This code is used for malignancies that complicate pregnancy, childbirth, or the puerperium.
- Specialties:Obstetrics, Oncology
- Place of Service:Inpatient Hospital, On Campus-Outpatient Hospital, Office