O64.001 ICD-10-CA code: Obstructed labour due to incomplete rotation of fetal head, delivered, with or without mention of antepartum condition

O64.001 is the ICD-10-CA code for “Obstructed labour due to incomplete rotation of fetal head, delivered, with or without mention of antepartum condition” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

O64.001

Obstructed labour due to incomplete rotation of fetal head, delivered, with or without mention of antepartum condition

Short description: Obs lab incomp rotatn fet head/deliv

ICD-10-CA · Canada · Also written O64001

Notes for O64.001

As CIHI prints them, with any note O64.001 takes from the headings above it.

Includes

  • • Deep transverse arrest• Obstructed labour due to persistent (position) occipitoiliac• Obstructed labour due to persistent (position) occipitoposterior• Obstructed labour due to persistent (position) occipitosacral• Obstructed labour due to persistent (position) occipitotransverseFrom O64.0 Obstructed labour due to incomplete rotation of fetal head

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 O64.001 sits

  1. 1ChapterChapter 15: Pregnancy, childbirth and the puerperium (O00-O99)
  2. 2Block O60-O75Complications of labour and delivery
  3. 3Category O64Obstructed labour due to malposition and malpresentation of fetus
  4. 4Subcategory O64.0Obstructed labour due to incomplete rotation of fetal head
  5. 5Valid code O64.001Obstructed labour due to incomplete rotation of fetal head, 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 O64.001 mean?

O64.001 is the ICD-10-CA code for “Obstructed labour due to incomplete rotation of fetal head, delivered, with or without mention of antepartum condition” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is O64.001 in ICD-10-CA?

O64.001 sits under O64.0 Obstructed labour due to incomplete rotation of fetal head, within O64 Obstructed labour due to malposition and malpresentation of fetus, within O60-O75 Complications of labour and delivery, within Chapter 15: Pregnancy, childbirth and the puerperium (O00-O99).

What coding notes apply to O64.001?

ICD-10-CA lists Includes, Note, Excludes notes for O64.001, 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.