O9A.1

ICD-10Non-billable category

Malignant neoplasm compl preg/chldbrth

Official ICD-10-CM descriptor (FY2026)

Malignant neoplasm complicating pregnancy, childbirth and the puerperium

O9A.1 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Inclusion terms

  • Conditions in C00-C96

Excludes2

Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.

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

Use additional code

Report an additional code to identify the associated condition.

  • code to identify neoplasm

ICD-10-CM FY2026 defines 3 codes beneath O9A.1. See the ICD-10-CM index for what this site publishes.

Related codes in O9A

Where this code sits

Parent code
O9A

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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