O9A.113 – Malignant neoplasm complicating pregnancy, third trimester

ICD-10-CM 2027 diagnosis code · Other obstetric conditions, not elsewhere classified

Billable code

ICD-10-CM code O9A.113

Code: O9A.113 (claims format: O9A113)
Description: Malignant neoplasm complicating pregnancy, third trimester
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 15. Pregnancy, childbirth and the puerperium (O00-O9A)
Block: O94-O9A Other obstetric conditions, not elsewhere classified
Parent codes: O9A › O9A.1 › O9A.11

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

O9A.1 – Malignant neoplasm complicating pregnancy, childbirth and the puerperium

Applicable to:

Conditions in C00-C96

Excludes2 (not included here):

maternal care for benign tumor of corpus uteri (O34.1-)
maternal care for benign tumor of cervix (O34.4-)

Use additional code:

code to identify neoplasm

Related codes in O9A.11

Frequently asked questions

What is ICD-10 code O9A.113?

O9A.113 is the ICD-10-CM code for malignant neoplasm complicating pregnancy, third trimester, in the block O94-O9A (Other obstetric conditions, not elsewhere classified).

Is O9A.113 a billable code?

Yes. O9A.113 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does O9A.113 belong to?

It belongs to category O9A – Maternal malignant neoplasms, traumatic injuries and abuse classifiable elsewhere but complicating pregnancy, childbirth and the puerperium.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.