Is O9A.1 a billable ICD-10-CM code?

No. O9A.1 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does O9A.1 sit in the tabular list?

Pregnancy, childbirth and the puerperium (O00-O9A), in the block Other obstetric conditions, not elsewhere classified (O94-O9A).

O9A.1

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

Non-billable headerICD-10-CM

O9A.1 is a non-billable header ICD-10-CM code for malignant neoplasm complicating pregnancy, childbirth and the puerperium. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

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

Use additional code

Add a secondary code to capture the detail described below.

code to identify neoplasm

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Conditions in C00-C96

Risk adjustment

O9A.1 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead O9A.1

3 child codes. Green means billable.

Related codes at this level

Codes that share O9A. If O9A.1 is not quite right, the correct code is usually one of these.

Questions about O9A.1

Is O9A.1 a billable ICD-10-CM code?: No. O9A.1 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does O9A.1 sit in the tabular list?: Pregnancy, childbirth and the puerperium (O00-O9A), in the block Other obstetric conditions, not elsewhere classified (O94-O9A).