O46.0 ICD-10-CA subcategory: Antepartum haemorrhage with coagulation defect
O46.0 isn’t a code on its own. Choose one of the 12 codes beneath it, the one the documentation supports.
Official description
O46.0Antepartum haemorrhage with coagulation defect
ICD-10-CA · Canada · Also written O460
Codes in O46.0
O46.0 isn’t a code on its own. Open the group that matches what the note documents.
Notes for O46.0
As CIHI prints them, with any note O46.0 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Haemorrhage in early pregnancy (O20.-)intrapartum haemorrhage NEC (O67.-)placenta praevia (O44.-)premature separation of placenta [abruptio placentae] (O45.-)From O46 Antepartum haemorrhage, not elsewhere classified
- 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 O46.0 sits
- 1ChapterChapter 15: Pregnancy, childbirth and the puerperium (O00-O99)
- 2Block O30-O48Maternal care related to the fetus and amniotic cavity and possible delivery problems
- 3Category O46Antepartum haemorrhage, not elsewhere classified
- 4Subcategory O46.0Antepartum haemorrhage with coagulation defect
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 O46.0 a valid ICD-10-CA code?
No. O46.0 (Antepartum haemorrhage with coagulation defect) is a subcategory heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 12 codes; record the one the documentation supports.
Where is O46.0 in ICD-10-CA?
O46.0 sits under O46 Antepartum haemorrhage, not elsewhere classified, within O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems, within Chapter 15: Pregnancy, childbirth and the puerperium (O00-O99).
What coding notes apply to O46.0?
ICD-10-CA lists Excludes, Note notes for O46.0, 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.