O99.011

Billable

Anemia complicating pregnancy, first trimester

O99.011 is the ICD-10-CM code for Anemia complicating pregnancy, first trimester. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
O00-O9A
Parent
O99.01
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

What this means — in plain language

MedlinePlus · NIH

If you have anemia, your blood does not carry enough oxygen to the rest of your body. The most common cause of anemia is not having enough iron . Your body needs iron to make hemoglobin. Hemoglobin is an iron-rich protein that gives the red color to blood. It carries oxygen from the lungs to the rest of the body. Anemia has three main causes: blood loss, lack of red blood cell production, and high rates of red blood…

Read more about Anemia 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 O99.011?
O99.011 is the ICD-10-CM code for "Anemia complicating pregnancy, first trimester". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O99.011 a billable code?
Yes — O99.011 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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