O04 ICD-10-CA category: Medical abortion
O04 isn’t a code on its own. Choose one of the 10 codes beneath it, the one the documentation supports.
Official description
O04Medical abortion
ICD-10-CA · Canada
Codes in O04
O04 isn’t a code on its own. Open the code that matches what the note documents.
O04.0Medical abortion, incomplete, complicated by genital tract and pelvic infectionO04.1Medical abortion, incomplete, complicated by delayed or excessive haemorrhageO04.2Medical abortion, incomplete, complicated by embolismO04.3Medical abortion, incomplete, with other and unspecified complicationsO04.4Medical abortion, incomplete, without complicationO04.5Medical abortion, complete or unspecified, complicated by genital tract and pelvic infectionO04.6Medical abortion, complete or unspecified, complicated by delayed or excessive haemorrhageO04.7Medical abortion, complete or unspecified, complicated by embolismO04.8Medical abortion, complete or unspecified, with other and unspecified complicationsO04.9Medical abortion, complete or unspecified, without complicationNotes for O04
As CIHI prints them, with any note O04 takes from the headings above it.
Includes
- Termination of pregnancy:• legal• therapeutictherapeutic abortion
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
- Incomplete abortion includes retained products of conception following abortion.
- 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 O04 sits
- 1ChapterChapter 15: Pregnancy, childbirth and the puerperium (O00-O99)
- 2Block O00-O08Pregnancy with abortive outcome
- 3Category O04Medical abortion
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
Is O04 a valid ICD-10-CA code?
No. O04 (Medical abortion) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 10 codes; record the one the documentation supports.
Where is O04 in ICD-10-CA?
O04 sits under O00-O08 Pregnancy with abortive outcome, within Chapter 15: Pregnancy, childbirth and the puerperium (O00-O99).
What coding notes apply to O04?
ICD-10-CA lists Note, Includes, Excludes notes for O04, 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.