O37.091 ICD-10-CA code: Maternal care for decreased fetal movements, unspecified trimester, delivered, with or without mention of antepartum condition

O37.091 is the ICD-10-CA code for “Maternal care for decreased fetal movements, unspecified trimester, delivered, with or without mention of antepartum condition” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

O37.091

Maternal care for decreased fetal movements, unspecified trimester, delivered, with or without mention of antepartum condition

Short description: Mat care decr fet moves unspec trim/del

ICD-10-CA · Canada · Also written O37091

Notes for O37.091

As CIHI prints them, with any note O37.091 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • 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 O37.091 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 O37Maternal care for decreased fetal movements
  4. 4Subcategory O37.09Maternal care for decreased fetal movements, unspecified trimester
  5. 5Valid code O37.091Maternal care for decreased fetal movements, unspecified trimester, 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 O37.091 mean?

O37.091 is the ICD-10-CA code for “Maternal care for decreased fetal movements, unspecified trimester, delivered, with or without mention of antepartum condition” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is O37.091 in ICD-10-CA?

O37.091 sits under O37.09 Maternal care for decreased fetal movements, unspecified trimester, within O37 Maternal care for decreased fetal movements, 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 O37.091?

ICD-10-CA lists Note, Excludes notes for O37.091, 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.