O00 Ectopic pregnancy

Category / Non-billable header 50 subcodes

Block: Pregnancy with abortive outcome (O00-O08)

Includes

  • ruptured ectopic pregnancy

Use Additional Code

  • code from category O08 to identify any associated complication

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
O00..0 Abdominal pregnancy No
O00..00 Abdominal pregnancy without intrauterine pregnancy Yes
O00..01 Abdominal pregnancy with intrauterine pregnancy Yes
O00..1 Tubal pregnancy No
O00..10 Tubal pregnancy without intrauterine pregnancy No
O00..101 Right tubal pregnancy without intrauterine pregnancy Yes
O00..102 Left tubal pregnancy without intrauterine pregnancy Yes
O00..109 Unspecified tubal pregnancy without intrauterine pregnancy Yes
O00..11 Tubal pregnancy with intrauterine pregnancy No
O00..111 Right tubal pregnancy with intrauterine pregnancy Yes
O00..112 Left tubal pregnancy with intrauterine pregnancy Yes
O00..119 Unspecified tubal pregnancy with intrauterine pregnancy Yes
O00..12 Interstitial ectopic pregnancy without intrauterine pregnancy No
O00..121 Right interstitial ectopic pregnancy without intrauterine pregnancy Yes
O00..122 Left interstitial ectopic pregnancy without intrauterine pregnancy Yes
O00..129 Unspecified interstitial ectopic pregnancy without intrauterine pregnancy Yes
O00..13 Interstitial ectopic pregnancy with intrauterine pregnancy No
O00..131 Right interstitial ectopic pregnancy with intrauterine pregnancy Yes
O00..132 Left interstitial ectopic pregnancy with intrauterine pregnancy Yes
O00..139 Unspecified interstitial ectopic pregnancy with intrauterine pregnancy Yes
O00..2 Ovarian pregnancy No
O00..20 Ovarian pregnancy without intrauterine pregnancy No
O00..201 Right ovarian pregnancy without intrauterine pregnancy Yes
O00..202 Left ovarian pregnancy without intrauterine pregnancy Yes
O00..209 Unspecified ovarian pregnancy without intrauterine pregnancy Yes
O00..21 Ovarian pregnancy with intrauterine pregnancy No
O00..211 Right ovarian pregnancy with intrauterine pregnancy Yes
O00..212 Left ovarian pregnancy with intrauterine pregnancy Yes
O00..219 Unspecified ovarian pregnancy with intrauterine pregnancy Yes
O00..3 Cesarean scar ectopic pregnancy No
O00..31 Cesarean scar ectopic pregnancy without intrauterine pregnancy Yes
O00..32 Cesarean scar ectopic pregnancy with intrauterine pregnancy Yes
O00..4 Cervical ectopic pregnancy No
O00..41 Cervical ectopic pregnancy without intrauterine pregnancy Yes
O00..42 Cervical ectopic pregnancy with intrauterine pregnancy Yes
O00..5 Cornual ectopic pregnancy No
O00..51 Cornual ectopic pregnancy without intrauterine pregnancy No
O00..511 Right cornual ectopic pregnancy without intrauterine pregnancy Yes
O00..512 Left cornual ectopic pregnancy without intrauterine pregnancy Yes
O00..519 Unspecified cornual ectopic pregnancy without intrauterine pregnancy Yes
O00..52 Cornual ectopic pregnancy with intrauterine pregnancy No
O00..521 Right cornual ectopic pregnancy with intrauterine pregnancy Yes
O00..522 Left cornual ectopic pregnancy with intrauterine pregnancy Yes
O00..529 Unspecified cornual ectopic pregnancy with intrauterine pregnancy Yes
O00..8 Other ectopic pregnancy No
O00..80 Other ectopic pregnancy without intrauterine pregnancy Yes
O00..81 Other ectopic pregnancy with intrauterine pregnancy Yes
O00..9 Ectopic pregnancy, unspecified No
O00..90 Unspecified ectopic pregnancy without intrauterine pregnancy Yes
O00..91 Unspecified ectopic pregnancy with intrauterine pregnancy Yes

Last reviewed: September 2026