DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

O00 Ectopic pregnancy

  • Header · not billable

O00 is not billable. The category heads 34 billable codes in FY2027, grouped under 8 subdivisions.

FY2027 changes under O00: 16 billable codes added. All FY2027 changes.

Index → code

  • Cornual gestation or pregnancy → O00.51-
  • Mole (pigmented)tubal → O00.10-
  • Pregnancy (single) (uterine)mural → O00.80

Where it sits

  1. Chapter 15 Pregnancy, childbirth and the puerperium (O00-O9A)
  2. O00-O08 Pregnancy with abortive outcome (O00-O08)
  3. O00 Ectopic pregnancy
Billable codes
34
Subdivisions
8
CC / MCC codes
34 / 0
HCC V28 codes
0
New FY2027
16
Index entries
66

Codes in O00

  1. O00.0
    Abdominal pregnancy
    Header
    Excludes1 1

    Excludes1

    • maternal care for viable fetus in abdominal pregnancy (O36.7-) O36.7
  2. O00.00
    Abdominal pregnancy without intrauterine pregnancy
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Abdominal pregnancy NOS
  3. O00.01
    Abdominal pregnancy with intrauterine pregnancy
    BillableCC
  4. O00.1
    Tubal pregnancy
    Header
    Inclusion terms 3

    Inclusion terms

    • Fallopian pregnancy
    • Rupture of (fallopian) tube due to pregnancy
    • Tubal abortion
  5. O00.10
    Tubal pregnancy without intrauterine pregnancy
    Header
    Inclusion terms 1

    Inclusion terms

    • Tubal pregnancy NOS
  6. O00.101
    Right tubal pregnancy without intrauterine pregnancy
    BillableCC
  7. O00.102
    Left tubal pregnancy without intrauterine pregnancy
    BillableCC
  8. O00.109
    Unspecified tubal pregnancy without intrauterine pregnancy
    BillableCC
  9. O00.11
    Tubal pregnancy with intrauterine pregnancy
    Header
  10. O00.111
    Right tubal pregnancy with intrauterine pregnancy
    BillableCC
  11. O00.112
    Left tubal pregnancy with intrauterine pregnancy
    BillableCC
  12. O00.119
    Unspecified tubal pregnancy with intrauterine pregnancy
    BillableCC
  13. O00.12
    Interstitial ectopic pregnancy without intrauterine pregnancy New FY2027
    Header
  14. O00.121
    Right interstitial ectopic pregnancy without intrauterine pregnancy New FY2027
    BillableCC
  15. O00.122
    Left interstitial ectopic pregnancy without intrauterine pregnancy New FY2027
    BillableCC
  16. O00.129
    Unspecified interstitial ectopic pregnancy without intrauterine pregnancy New FY2027
    BillableCC
  17. O00.13
    Interstitial ectopic pregnancy with intrauterine pregnancy New FY2027
    Header
  18. O00.131
    Right interstitial ectopic pregnancy with intrauterine pregnancy New FY2027
    BillableCC
  19. O00.132
    Left interstitial ectopic pregnancy with intrauterine pregnancy New FY2027
    BillableCC
  20. O00.139
    Unspecified interstitial ectopic pregnancy with intrauterine pregnancy New FY2027
    BillableCC
  21. O00.2
    Ovarian pregnancy
    Header
  22. O00.20
    Ovarian pregnancy without intrauterine pregnancy
    Header
    Inclusion terms 1

    Inclusion terms

    • Ovarian pregnancy NOS
  23. O00.201
    Right ovarian pregnancy without intrauterine pregnancy
    BillableCC
  24. O00.202
    Left ovarian pregnancy without intrauterine pregnancy
    BillableCC
  25. O00.209
    Unspecified ovarian pregnancy without intrauterine pregnancy
    BillableCC
  26. O00.21
    Ovarian pregnancy with intrauterine pregnancy
    Header
  27. O00.211
    Right ovarian pregnancy with intrauterine pregnancy
    BillableCC
  28. O00.212
    Left ovarian pregnancy with intrauterine pregnancy
    BillableCC
  29. O00.219
    Unspecified ovarian pregnancy with intrauterine pregnancy
    BillableCC
  30. O00.3
    Cesarean scar ectopic pregnancy New FY2027
    Header
  31. O00.31
    Cesarean scar ectopic pregnancy without intrauterine pregnancy New FY2027
    BillableCC
  32. O00.32
    Cesarean scar ectopic pregnancy with intrauterine pregnancy New FY2027
    BillableCC
  33. O00.4
    Cervical ectopic pregnancy New FY2027
    Header
  34. O00.41
    Cervical ectopic pregnancy without intrauterine pregnancy New FY2027
    BillableCC
  35. O00.42
    Cervical ectopic pregnancy with intrauterine pregnancy New FY2027
    BillableCC
  36. O00.5
    Cornual ectopic pregnancy New FY2027
    Header
  37. O00.51
    Cornual ectopic pregnancy without intrauterine pregnancy New FY2027
    Header
  38. O00.511
    Right cornual ectopic pregnancy without intrauterine pregnancy New FY2027
    BillableCC
  39. O00.512
    Left cornual ectopic pregnancy without intrauterine pregnancy New FY2027
    BillableCC
  40. O00.519
    Unspecified cornual ectopic pregnancy without intrauterine pregnancy New FY2027
    BillableCC
  41. O00.52
    Cornual ectopic pregnancy with intrauterine pregnancy New FY2027
    Header
  42. O00.521
    Right cornual ectopic pregnancy with intrauterine pregnancy New FY2027
    BillableCC
  43. O00.522
    Left cornual ectopic pregnancy with intrauterine pregnancy New FY2027
    BillableCC
  44. O00.529
    Unspecified cornual ectopic pregnancy with intrauterine pregnancy New FY2027
    BillableCC
  45. O00.8
    Other ectopic pregnancy
    Header
    Inclusion terms 2

    Inclusion terms

    • Intraligamentous pregnancy
    • Mural pregnancy
  46. O00.80
    Other ectopic pregnancy without intrauterine pregnancy
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Other ectopic pregnancy NOS
  47. O00.81
    Other ectopic pregnancy with intrauterine pregnancy
    BillableCC
  48. O00.9
    Ectopic pregnancy, unspecified
    Header
  49. O00.90
    Unspecified ectopic pregnancy without intrauterine pregnancy
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Ectopic pregnancy NOS
  50. O00.91
    Unspecified ectopic pregnancy with intrauterine pregnancy
    BillableCC

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At O00

Includes

  • ruptured ectopic pregnancy

Use additional code

  • code from category O08 to identify any associated complication O08

Notes that also apply

Block O00-O08 instructions (Excludes1 1): printed on the block page.

Chapter 15 instructions (Notes 6, Excludes1 1, Excludes2 4, Use additional code 1): printed on the chapter 15 page.

Index entries

  • Cornual gestation or pregnancy → O00.51-
  • Pregnancy (single) (uterine)abdominal (ectopic) → O00.00
  • Pregnancy (single) (uterine)intraperitoneal → O00.00
  • Abortion (complete) (spontaneous)tubal → O00.10-
  • Mole (pigmented)tubal → O00.10-
  • Pregnancy (single) (uterine)ampullar → O00.10-
  • Pregnancy (single) (uterine)fallopian → O00.10-
  • Pregnancy (single) (uterine)isthmian → O00.10-
  • Pregnancy (single) (uterine)tubal (with abortion) (with rupture) → O00.10-
  • Pregnancy (single) (uterine)interstitial → O00.12-
  • Pregnancy (single) (uterine)ovarian → O00.20-
  • Pregnancy (single) (uterine)cervical → O00.41
  • Pregnancy (single) (uterine)cornual → O00.51-
  • Cornual gestation or pregnancywith intrauterine pregnancy → O00.52-
  • Pregnancy (single) (uterine)broad ligament → O00.80
  • Pregnancy (single) (uterine)intraligamentous → O00.80
  • Pregnancy (single) (uterine)intramural → O00.80
  • Pregnancy (single) (uterine)mesometric (mural) → O00.80
  • Pregnancy (single) (uterine)mural → O00.80
  • Pregnancy (single) (uterine)ectopic (ruptured) → O00.90
  • Pregnancy (single) (uterine)ectopic (ruptured)abdominal → O00.00
  • Pregnancy (single) (uterine)abdominal (ectopic)with intrauterine pregnancy → O00.01
  • Pregnancy (single) (uterine)intraperitonealwith intrauterine pregnancy → O00.01
  • Pregnancy (single) (uterine)ectopic (ruptured)tubal (ruptured) → O00.10-
  • Rupture, rupturedfallopian tube NEC (nonobstetric) (nontraumatic)due to pregnancy → O00.10-
  • Rupture, rupturedoviduct (nonobstetric) (nontraumatic)due to pregnancy → O00.10-
  • Rupture, rupturedtube, tubal (nonobstetric) (nontraumatic)due to pregnancy → O00.10-
  • Abortion (complete) (spontaneous)tubalwith intrauterine pregnancy → O00.11-
  • Mole (pigmented)tubalwith intrauterine pregnancy → O00.11-
  • Pregnancy (single) (uterine)ampullarwith intrauterine pregnancy → O00.11-
  • Pregnancy (single) (uterine)fallopianwith intrauterine pregnancy → O00.11-
  • Pregnancy (single) (uterine)isthmianwith intrauterine pregnancy → O00.11-
  • Pregnancy (single) (uterine)tubal (with abortion) (with rupture)with intrauterine pregnancy → O00.11-
  • Pregnancy (single) (uterine)ectopic (ruptured)interstitial → O00.12-
  • Pregnancy (single) (uterine)interstitialwith intrauterine pregnancy → O00.13-
  • Pregnancy (single) (uterine)ectopic (ruptured)ovarian → O00.20-
  • Pregnancy (single) (uterine)ovarianwith intrauterine pregnancy → O00.21-
  • Pregnancy (single) (uterine)ectopic (ruptured)Cesarean scar → O00.31
  • Pregnancy (single) (uterine)ectopic (ruptured)cervical → O00.41
  • Pregnancy (single) (uterine)cervicalwith intrauterine pregnancy → O00.42

26 more, longer entries are not listed; the search box finds them by word.

NCHS Alphabetic Index. Index first, then the Tabular List.

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