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- O00.0 Abdominal pregnancy
- Excludes1: maternal care for viable fetus in abdominal pregnancy (O36.7-)
- O00.1 Tubal pregnancy
- Fallopian pregnancy
- Rupture of (fallopian) tube due to pregnancy
- Tubal abortion
- O00.2 Ovarian pregnancy
- O00.8 Other ectopic pregnancy
- Cervical pregnancy
- Cornual pregnancy
- Intraligamentous pregnancy
- Mural pregnancy
- O00.9 Ectopic pregnancy, unspecified
O01 Hydatidiform mole
- Use additional code from category O08 to identify any associated complication.
- Excludes1: chorioadenoma (destruens) (D39.2)
- malignant hydatidiform mole (D39.2)
- O01.0 Classical hydatidiform mole
- Complete hydatidiform mole
- O01.1 Incomplete and partial hydatidiform mole
- O01.9 Hydatidiform mole, unspecified
- Trophoblastic disease NOS
- Vesicular mole NOS
O02 Other abnormal products of conception
- Use additional code from category O08 to identify any associated complication.
- Excludes1: papyraceous fetus (O31.0-)
- O02.0 Blighted ovum and nonhydatidiform mole
- Carneous mole
- Fleshy mole
- Intrauterine mole NOS
- Molar pregnancy NEC
- Pathological ovum
- O02.1 Missed abortion
- Early fetal death, before completion of 20 weeks of gestation, with retention of dead fetus
- Excludes1: 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 delivery (O36.4)
- stillbirth (P95)
- O02.8 Other specified abnormal products of conception
- Excludes1: abnormal products of conception with blighted ovum (O02.0)
- abnormal
- Excludes1: abnormal products of conception with blighted ovum (O02.0)
