O99.011: Anemia complicating pregnancy, first trimester
O99.011 is the billable ICD-10-CM diagnosis code for Anemia complicating pregnancy, first trimester. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code O99.011?
O99.011 is the ICD-10-CM diagnosis code for Anemia complicating pregnancy, first trimester. It belongs to category O99 (Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium).
Is O99.011 a billable code?
Yes. O99.011 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does O99.011 belong to?
O99.011 is part of ICD-10-CM category O99 — Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium, which has 192 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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