O02.1

Billable

Missed abortion

O02.1 is the ICD-10-CM code for Missed abortion. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
O00-O9A
Parent
O02
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

What this means — in plain language

MedlinePlus · NIH

What is a miscarriage? A miscarriage is an unexpected loss of pregnancy before the 20th week. Most miscarriages happen very early in the pregnancy, often before a woman even knows she is pregnant . What causes a miscarriage? A miscarriage can happen in any pregnancy. Most miscarriages occur because the fetus doesn't develop properly. This is often linked to a genetic problem with the fetus, such as an extra or…

Read more about Miscarriage at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Early fetal death, before completion of 20 weeks of gestation, with retention of dead fetus

Excludes1 — not coded here

  • failed induced abortion (O07.-)
  • fetal death (intrauterine) (late) (O36.4)
  • missed abortion with blighted ovum (O02.0)
  • missed abortion with hydatidiform mole (O01.-)
  • missed abortion with nonhydatidiform (O02.0)
  • missed abortion with other abnormal products of conception (O02.8-)
  • missed delivery (O36.4)
  • stillbirth (P95)

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code O02.1?
O02.1 is the ICD-10-CM code for "Missed abortion". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O02.1 a billable code?
Yes — O02.1 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from O02.1?
Excludes1 (not coded here): failed induced abortion (O07.-); fetal death (intrauterine) (late) (O36.4); missed abortion with blighted ovum (O02.0); missed abortion with hydatidiform mole (O01.-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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