O46.001 ICD-10-CA code: Antepartum haemorrhage with afibrinogenaemia, delivered, with or without mention of antepartum condition

O46.001 is the ICD-10-CA code for “Antepartum haemorrhage with afibrinogenaemia, delivered, with or without mention of antepartum condition” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

O46.001

Antepartum haemorrhage with afibrinogenaemia, delivered, with or without mention of antepartum condition

Short description: A/P haem w afibrinogenaemia/deliv

ICD-10-CA · Canada · Also written O46001

Notes for O46.001

As CIHI prints them, with any note O46.001 takes from the headings above it.

Includes

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 O46.001 sits

  1. 1ChapterChapter 15: Pregnancy, childbirth and the puerperium (O00-O99)
  2. 2Block O30-O48Maternal care related to the fetus and amniotic cavity and possible delivery problems
  3. 3Category O46Antepartum haemorrhage, not elsewhere classified
  4. 4Subcategory O46.0Antepartum haemorrhage with coagulation defect
  5. 5Subcategory O46.00Antepartum haemorrhage with afibrinogenaemia
  6. 6Valid code O46.001Antepartum haemorrhage with afibrinogenaemia, delivered, with or without mention of antepartum condition

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 O46.001 mean?

O46.001 is the ICD-10-CA code for “Antepartum haemorrhage with afibrinogenaemia, delivered, with or without mention of antepartum condition” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is O46.001 in ICD-10-CA?

O46.001 sits under O46.00 Antepartum haemorrhage with afibrinogenaemia, within O46.0 Antepartum haemorrhage with coagulation defect, within 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 O46.001?

ICD-10-CA lists Includes, Excludes, Note notes for O46.001, 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.