O35.909 ICD-10-CA code: Maternal care for (suspected) fetal abnormality and damage, unspecified, unspecified as to episode of care, or not applicable

O35.909 is the ICD-10-CA code for “Maternal care for (suspected) fetal abnormality and damage, unspecified, unspecified as to episode of care, or not applicable” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

O35.909

Maternal care for (suspected) fetal abnormality and damage, unspecified, unspecified as to episode of care, or not applicable

Short description: Mat care fet abn dam NOS/unspecified

ICD-10-CA · Canada · Also written O35909

Notes for O35.909

As CIHI prints them, with any note O35.909 takes from the headings above it.

Includes

Excludes

Conditions classified elsewhere.

  • Maternal care for known or suspected disproportion (O33.-)From O35 Maternal care for known or suspected fetal abnormality and damage
  • 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 O35.909 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 O35Maternal care for known or suspected fetal abnormality and damage
  4. 4Subcategory O35.9Maternal care for (suspected) fetal abnormality and damage, unspecified
  5. 5Valid code O35.909Maternal care for (suspected) fetal abnormality and damage, unspecified, unspecified as to episode of care, or not applicable

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 O35.909 mean?

O35.909 is the ICD-10-CA code for “Maternal care for (suspected) fetal abnormality and damage, unspecified, unspecified as to episode of care, or not applicable” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is O35.909 in ICD-10-CA?

O35.909 sits under O35.9 Maternal care for (suspected) fetal abnormality and damage, unspecified, within O35 Maternal care for known or suspected fetal abnormality and damage, 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 O35.909?

ICD-10-CA lists Includes, Excludes, Note notes for O35.909, 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.