O00
Non-billableEctopic pregnancy
Ectopic pregnancy
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- ruptured ectopic pregnancy
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
- •code from category to identify any associated complicationO08
Child Codes (5)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(26)
UMLS
- Aborted ectopic pregnancyC0392534
- Ruptured ectopic pregnancyC0392534
- Ruptured ectopic pregnancy (disorder)C0392534
- ectopic pregnancy rupturedC0392534
- ruptured ectopic pregnancyC0392534
- ECTOPIC PREGNC0032987
- EP - Ectopic pregnancyC0032987
- EccyesisC0032987
- Ectopic PregnanciesC0032987
- Ectopic PregnancyC0032987
- Ectopic pregnancyC0032987
- Ectopic pregnancy (disorder)C0032987
- Ectopic pregnancy NOSC0032987
- Ectopic pregnancy, unspecifiedC0032987
- Extra-uterine pregnancyC0032987
- Extrauterine PregnanciesC0032987
- Extrauterine PregnancyC0032987
- Extrauterine pregnancyC0032987
- PREGN ECTOPICC0032987
- Pregnancy ectopicC0032987
- Pregnancy, EctopicC0032987
- Pregnancy, ExtrauterineC0032987
- Unspecified ectopic pregnancyC0032987
- ectopic pregnanciesC0032987
- ectopic pregnancyC0032987
- extrauterine pregnancyC0032987
Frequently Asked Questions
What is the ICD-10 code for ectopic pregnancy?
The ICD-10-CM code for ectopic pregnancy is O00. The full clinical description is "Ectopic pregnancy". O00 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code O00 mean?
ICD-10-CM code O00 represents “Ectopic pregnancy”. It is classified under Chapter 15: Pregnancy, Childbirth and the Puerperium and is a non-billable header code. Use a more specific child code for billing purposes.
Is O00 a billable code?
No, O00 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under O00.
What chapter is O00 in?
O00 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).
What codes cannot be used with O00?
O00 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-); continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-).
What are the subcategories under O00?
O00 has 5 child codes, including: O00.0 (Abdominal pregnancy), O00.1 (Tubal pregnancy), O00.2 (Ovarian pregnancy), O00.8 (Other ectopic pregnancy), and 1 more.
Are additional codes required with O00?
Yes, when using O00, also report: code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.; code from category O08 to identify any associated complication.
What are the UMLS CUIs for O00?
O00 is linked to 2 UMLS Concept Unique Identifiers: C0392534, C0032987. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does O00 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like ectopic pregnancy affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of O00?
O00 maps to the ICD-11 code: JA01.Z (Ectopic pregnancy, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.