O00: Ectopic pregnancy
Codes under O00 (Ectopic pregnancy). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| O00.0 | Abdominal pregnancy | — |
| O00.0 | Abdominal pregnancy | — |
| O00.00 | Abdominal pregnancy without intrauterine pregnancy | ✓ |
| O00.00 | Abdominal pregnancy without intrauterine pregnancy | ✓ |
| O00.01 | Abdominal pregnancy with intrauterine pregnancy | ✓ |
| O00.01 | Abdominal pregnancy with intrauterine pregnancy | ✓ |
| O00.1 | Tubal pregnancy | — |
| O00.1 | Tubal pregnancy | — |
| O00.2 | Ovarian pregnancy | — |
| O00.2 | Ovarian pregnancy | — |
| O00.3 | Cesarean scar ectopic pregnancy | — |
| O00.4 | Cervical ectopic pregnancy | — |
| O00.5 | Cornual ectopic pregnancy | — |
| O00.8 | Other ectopic pregnancy | — |
| O00.8 | Other ectopic pregnancy | — |
| O00.9 | Ectopic pregnancy, unspecified | — |
| O00.9 | Ectopic pregnancy, unspecified | — |
| O00.10 | Tubal pregnancy without intrauterine pregnancy | — |
| O00.10 | Tubal pregnancy without intrauterine pregnancy | — |
| O00.11 | Tubal pregnancy with intrauterine pregnancy | — |
| O00.11 | Tubal pregnancy with intrauterine pregnancy | — |
| O00.12 | Interstitial ectopic pregnancy without intrauterine pregnancy | — |
| O00.13 | Interstitial ectopic pregnancy with intrauterine pregnancy | — |
| O00.20 | Ovarian pregnancy without intrauterine pregnancy | — |
| O00.20 | Ovarian pregnancy without intrauterine pregnancy | — |
| O00.21 | Ovarian pregnancy with intrauterine pregnancy | — |
| O00.21 | Ovarian pregnancy with intrauterine pregnancy | — |
| O00.31 | Cesarean scar ectopic pregnancy without intrauterine pregnancy | ✓ |
| O00.32 | Cesarean scar ectopic pregnancy with intrauterine pregnancy | ✓ |
| O00.41 | Cervical ectopic pregnancy without intrauterine pregnancy | ✓ |
| O00.42 | Cervical ectopic pregnancy with intrauterine pregnancy | ✓ |
| O00.51 | Cornual ectopic pregnancy without intrauterine pregnancy | — |
| O00.52 | Cornual ectopic pregnancy with intrauterine pregnancy | — |
| O00.80 | Other ectopic pregnancy without intrauterine pregnancy | ✓ |
| O00.80 | Other ectopic pregnancy without intrauterine pregnancy | ✓ |
| O00.81 | Other ectopic pregnancy with intrauterine pregnancy | ✓ |
| O00.81 | Other ectopic pregnancy with intrauterine pregnancy | ✓ |
| O00.90 | Unspecified ectopic pregnancy without intrauterine pregnancy | ✓ |
| O00.90 | Unspecified ectopic pregnancy without intrauterine pregnancy | ✓ |
| O00.91 | Unspecified ectopic pregnancy with intrauterine pregnancy | ✓ |
| O00.91 | Unspecified ectopic pregnancy with intrauterine pregnancy | ✓ |
| O00.101 | Right tubal pregnancy without intrauterine pregnancy | ✓ |
| O00.101 | Right tubal pregnancy without intrauterine pregnancy | ✓ |
| O00.102 | Left tubal pregnancy without intrauterine pregnancy | ✓ |
| O00.102 | Left tubal pregnancy without intrauterine pregnancy | ✓ |
| O00.109 | Unspecified tubal pregnancy without intrauterine pregnancy | ✓ |
| O00.109 | Unspecified tubal pregnancy without intrauterine pregnancy | ✓ |
| O00.111 | Right tubal pregnancy with intrauterine pregnancy | ✓ |
| O00.111 | Right tubal pregnancy with intrauterine pregnancy | ✓ |
| O00.112 | Left tubal pregnancy with intrauterine pregnancy | ✓ |
| O00.112 | Left tubal pregnancy with intrauterine pregnancy | ✓ |
| O00.119 | Unspecified tubal pregnancy with intrauterine pregnancy | ✓ |
| O00.119 | Unspecified tubal pregnancy with intrauterine pregnancy | ✓ |
| O00.121 | Right interstitial ectopic pregnancy without intrauterine pregnancy | ✓ |
| O00.122 | Left interstitial ectopic pregnancy without intrauterine pregnancy | ✓ |
| O00.129 | Unspecified interstitial ectopic pregnancy without intrauterine pregnancy | ✓ |
| O00.131 | Right interstitial ectopic pregnancy with intrauterine pregnancy | ✓ |
| O00.132 | Left interstitial ectopic pregnancy with intrauterine pregnancy | ✓ |
| O00.139 | Unspecified interstitial ectopic pregnancy with intrauterine pregnancy | ✓ |
| O00.201 | Right ovarian pregnancy without intrauterine pregnancy | ✓ |
| O00.201 | Right ovarian pregnancy without intrauterine pregnancy | ✓ |
| O00.202 | Left ovarian pregnancy without intrauterine pregnancy | ✓ |
| O00.202 | Left ovarian pregnancy without intrauterine pregnancy | ✓ |
| O00.209 | Unspecified ovarian pregnancy without intrauterine pregnancy | ✓ |
| O00.209 | Unspecified ovarian pregnancy without intrauterine pregnancy | ✓ |
| O00.211 | Right ovarian pregnancy with intrauterine pregnancy | ✓ |
| O00.211 | Right ovarian pregnancy with intrauterine pregnancy | ✓ |
| O00.212 | Left ovarian pregnancy with intrauterine pregnancy | ✓ |
| O00.212 | Left ovarian pregnancy with intrauterine pregnancy | ✓ |
| O00.219 | Unspecified ovarian pregnancy with intrauterine pregnancy | ✓ |
| O00.219 | Unspecified ovarian pregnancy with intrauterine pregnancy | ✓ |
| O00.511 | Right cornual ectopic pregnancy without intrauterine pregnancy | ✓ |
| O00.512 | Left cornual ectopic pregnancy without intrauterine pregnancy | ✓ |
| O00.519 | Unspecified cornual ectopic pregnancy without intrauterine pregnancy | ✓ |
| O00.521 | Right cornual ectopic pregnancy with intrauterine pregnancy | ✓ |
| O00.522 | Left cornual ectopic pregnancy with intrauterine pregnancy | ✓ |
| O00.529 | Unspecified cornual ectopic pregnancy with intrauterine pregnancy | ✓ |
Frequently asked questions
What is ICD-10-CM code O00?
O00 is an ICD-10-CM category covering Ectopic pregnancy. It contains 77 more specific diagnosis codes, 52 of which are billable.
Is O00 a billable code?
No — O00 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example O00.0 — Abdominal pregnancy). 52 of the 77 codes under O00 are billable.
What codes fall under O00?
O00 includes O00.0, O00.0, O00.00, O00.00, O00.01, plus 72 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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