O9A.111

Billable

Malignant neoplasm complicating pregnancy, first trimester

O9A.111 is the ICD-10-CM code for Malignant neoplasm complicating pregnancy, first trimester. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
O00-O9A
Parent
O9A.11
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

What this means — in plain language

MedlinePlus · NIH

Tumors during pregnancy are rare, but they can happen. Tumors can be either benign (not cancer) or malignant (cancer). The most common cancers in pregnancy include breast cancer , thyroid cancer , cervical cancer , lymphoma , and melanoma . Cancer itself rarely harms the fetus, and some cancer treatments are safe during pregnancy. You and your health care provider will work together to find the best treatment. Your…

Read more about Tumors and Pregnancy at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code O9A.111?
O9A.111 is the ICD-10-CM code for "Malignant neoplasm complicating pregnancy, first trimester". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O9A.111 a billable code?
Yes — O9A.111 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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