O00.1 ICD-10-CA code: Tubal pregnancy

O00.1 is the ICD-10-CA code for “Tubal pregnancy” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

O00.1

Tubal pregnancy

ICD-10-CA · Canada · Also written O001

Index terms

Entries in CIHI’s alphabetical index that lead to O00.1. Searching the index by the condition the note names is how coders reach this code.

  • Mole (pigmented), tubal
  • Pregnancy (single) (uterine), ampullar
  • Pregnancy (single) (uterine), isthmian
  • Abortion (complete) (incomplete), tubal
  • Pregnancy (single) (uterine), fallopian
  • Pregnancy (single) (uterine), tubal (with abortion) (with rupture)
  • Rupture, ruptured, oviduct (nonobstetric) (nontraumatic), due to pregnancy
  • Rupture, ruptured, tube, tubal (nonobstetric) (nontraumatic), due to pregnancy
  • Rupture, ruptured, fallopian tube NEC (nonobstetric) (nontraumatic), due to pregnancy

Notes for O00.1

As CIHI prints them, with any note O00.1 takes from the headings above it.

Includes

  • Fallopian pregnancyRupture of (fallopian) tube due to pregnancyTubal abortion
  • Ruptured ectopic pregnancyFrom O00 Ectopic pregnancy

Use additional code

Add a code for this detail when the note documents it.

  • Use additional code from category O08.- to identify any associated complication.From O00 Ectopic pregnancy

Excludes

Conditions classified elsewhere.

  • Continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.11-)From O00-O08 Pregnancy with abortive outcome
  • Certain diseases or injuries complicating pregnancy, childbirth, and the puerperium classified elsewhere:external causes (for mortality) (V,W,X,Y)injury, poisoning and certain other consequences of external causes (S00-T88.1, T88.6-T98)mental and behavioural disorders associated with the puerperium (F53.-)obstetrical tetanus (A34)postpartum necrosis of pituitary gland (E23.0)puerperal osteomalacia (M83.0)supervision of:• high-risk pregnancy (Z35.-)• normal pregnancy (Z34.-)From Chapter 15: Pregnancy, childbirth and the puerperium (O00-O99)

Note

  • The codes included in this chapter are to be used for conditions related to or aggravated by the pregnancy, childbirth or by the puerperium (maternal causes or obstetric causes)From Chapter 15: Pregnancy, childbirth and the puerperium (O00-O99)

Where O00.1 sits

  1. 1ChapterChapter 15: Pregnancy, childbirth and the puerperium (O00-O99)
  2. 2Block O00-O08Pregnancy with abortive outcome
  3. 3Category O00Ectopic pregnancy
  4. 4Valid code O00.1Tubal pregnancy

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does ICD-10-CA code O00.1 mean?

O00.1 is the ICD-10-CA code for “Tubal pregnancy” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is O00.1 in ICD-10-CA?

O00.1 sits under O00 Ectopic pregnancy, within O00-O08 Pregnancy with abortive outcome, within Chapter 15: Pregnancy, childbirth and the puerperium (O00-O99).

What coding notes apply to O00.1?

ICD-10-CA lists Includes, Use additional code, Excludes, Note notes for O00.1, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.