O43.103 ICD-10-CA code: Malformation of placenta, antepartum condition or complication
O43.103 is the ICD-10-CA code for “Malformation of placenta, antepartum condition or complication” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
O43.103Malformation of placenta, antepartum condition or complication
Short description: Malformation of placenta/antepartum
ICD-10-CA · Canada · Also written O43103
Notes for O43.103
As CIHI prints them, with any note O43.103 takes from the headings above it.
Includes
- • Abnormal placenta NOS• Circumvallate placenta• Succenturiate placentaFrom O43.1 Malformation of placenta
Excludes
Conditions classified elsewhere.
- Maternal care for poor fetal growth due to placental insufficiency (O36.5)placenta praevia (O44.-)premature separation of placenta [abruptio placentae] (O45.-)From O43 Placental disorders
- 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 O43.103 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 O43Placental disorders
- 4Subcategory O43.1Malformation of placenta
- 5Valid code O43.103Malformation of placenta, antepartum condition or 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.
Frequently asked questions
What does ICD-10-CA code O43.103 mean?
O43.103 is the ICD-10-CA code for “Malformation of placenta, antepartum condition or complication” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is O43.103 in ICD-10-CA?
O43.103 sits under O43.1 Malformation of placenta, within O43 Placental disorders, 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 O43.103?
ICD-10-CA lists Includes, Excludes, Note notes for O43.103, 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.