ICD-10-CM 2027
ICD-10 code for abortion missed
From the official ICD-10-CM alphabetic index entry “Missed › abortion”. Page updated September 29, 2026.
About coding abortion missed
The ICD-10-CM code for abortion missed is O02.1 (Missed abortion).
Within O02 (other abnormal products of conception), O02.1 is specifically for Missed abortion. Related codes cover Blighted ovum and nonhydatidiform mole (O02.0), other specified abnormal products of conception (O02.8) and abnormal product of conception, unspecified (O02.9).
Don't report O02.1 together with the conditions in its Excludes1 note: failed induced abortion (O07.-), fetal death (intrauterine) (late) (O36.4), missed abortion with blighted ovum (O02.0), missed abortion with hydatidiform mole (O01.-) and 4 more.
Use an additional code from category O08 to identify any associated complication.
Don't confuse with (Excludes1 for O02.1)
- 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)
Common questions about abortion missed ICD-10 codes
What is the ICD-10 code for abortion missed?
- O02.1 — Missed abortion.
Is O02.1 billable?
- Yes. O02.1 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can O02.1 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict O02.1 as a principal diagnosis.
Is O02.1 a CC or MCC?
- No. O02.1 is neither a CC nor an MCC under MS-DRG v44.0.