ICD-10-CM category
O00 Ectopic pregnancy
O00 is a category, not a billable code. Report one of the 18 complete codes below.
Codes in O00
- O00.00Abdominal pregnancy without intrauterine pregnancy
- O00.01Abdominal pregnancy with intrauterine pregnancy
- O00.101Right tubal pregnancy without intrauterine pregnancy
- O00.102Left tubal pregnancy without intrauterine pregnancy
- O00.109Unspecified tubal pregnancy without intrauterine pregnancy
- O00.111Right tubal pregnancy with intrauterine pregnancy
- O00.112Left tubal pregnancy with intrauterine pregnancy
- O00.119Unspecified tubal pregnancy with intrauterine pregnancy
- O00.201Right ovarian pregnancy without intrauterine pregnancy
- O00.202Left ovarian pregnancy without intrauterine pregnancy
- O00.209Unspecified ovarian pregnancy without intrauterine pregnancy
- O00.211Right ovarian pregnancy with intrauterine pregnancy
- O00.212Left ovarian pregnancy with intrauterine pregnancy
- O00.219Unspecified ovarian pregnancy with intrauterine pregnancy
- O00.80Other ectopic pregnancy without intrauterine pregnancy
- O00.81Other ectopic pregnancy with intrauterine pregnancy
- O00.90Unspecified ectopic pregnancy without intrauterine pregnancy
- O00.91Unspecified ectopic pregnancy with intrauterine pregnancy
Outside the US? O00 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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