O99.01

O99.01: Anemia complicating pregnancy

Non-billable headerICD-10-CM

O99.01 is a non-billable header ICD-10-CM code for anemia complicating pregnancy. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above O99.01

A category’s note binds every code beneath it.

Written on O99.0: Anemia complicating pregnancy, childbirth and the puerperium

anemia arising in the puerperium (O90.81)
postpartum anemia NOS (O90.81)

Excludes2 inherited from the categories above O99.01

Not part of this code, but both may be coded when both are present.

Written on O99: Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead O99.01

4 child codes. Green means billable.