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O05.9 ICD-10-CA code: Other abortion, complete or unspecified, without complication

O05.9 is the ICD-10-CA code for “Other abortion, complete or unspecified, without complication” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

O05.9

Other abortion, complete or unspecified, without complication

Short description: Oth abortion complete or unspec wo comp

ICD-10-CA · Canada · Also written O059

Notes for O05.9

As CIHI prints them, with any note O05.9 takes from the headings above it.

Includes

  • Abortion following:• amniocentesis• traumaself-inflicted abortionFrom O05 Other 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.From O05 Other 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 O05.9 sits

  1. 1ChapterChapter 15: Pregnancy, childbirth and the puerperium (O00-O99)
  2. 2Block O00-O08Pregnancy with abortive outcome
  3. 3Category O05Other abortion
  4. 4Valid code O05.9Other abortion, complete or unspecified, without complication

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.

See O05.9 in the CIHI source

Frequently asked questions

What does ICD-10-CA code O05.9 mean?

O05.9 is the ICD-10-CA code for “Other abortion, complete or unspecified, without complication” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is O05.9 in ICD-10-CA?

O05.9 sits under O05 Other abortion, within O00-O08 Pregnancy with abortive outcome, within Chapter 15: Pregnancy, childbirth and the puerperium (O00-O99).

What coding notes apply to O05.9?

ICD-10-CA lists Note, Includes, Excludes notes for O05.9, 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.

Codes beside O05.9

O05.0Other abortion, incomplete, complicated by genital tract and pelvic infectionO05.1Other abortion, incomplete, complicated by delayed or excessive haemorrhageO05.2Other abortion, incomplete, complicated by embolismO05.3Other abortion, incomplete, with other and unspecified complicationsO05.4Other abortion, incomplete, without complicationO05.5Other abortion, complete or unspecified, complicated by genital tract and pelvic infectionO05.6Other abortion, complete or unspecified, complicated by delayed or excessive haemorrhageO05.7Other abortion, complete or unspecified, complicated by embolismO05.8Other abortion, complete or unspecified, with other and unspecified complications