O42.023 ICD-10-CA code: Premature rupture of membranes, onset of labour within 24 hours, antepartum condition or complication, full term
O42.023 is the ICD-10-CA code for “Premature rupture of membranes, onset of labour within 24 hours, antepartum condition or complication, full term” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
O42.023Premature rupture of membranes, onset of labour within 24 hours, antepartum condition or complication, full term
Short description: PROM lab 24 hrs/antepartum full term
ICD-10-CA · Canada · Also written O42023
Notes for O42.023
As CIHI prints them, with any note O42.023 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 O42.023 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 O42Premature rupture of membranes
- 4Subcategory O42.0Premature rupture of membranes, onset of labour within 24 hours
- 5Subcategory O42.02Premature rupture of membranes, onset of labour within 24 hours, full term
- 6Valid code O42.023Premature rupture of membranes, onset of labour within 24 hours, antepartum condition or complication, full term
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 O42.023 mean?
O42.023 is the ICD-10-CA code for “Premature rupture of membranes, onset of labour within 24 hours, antepartum condition or complication, full term” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is O42.023 in ICD-10-CA?
O42.023 sits under O42.02 Premature rupture of membranes, onset of labour within 24 hours, full term, within O42.0 Premature rupture of membranes, onset of labour within 24 hours, within O42 Premature rupture of membranes, 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 O42.023?
ICD-10-CA lists Note, Excludes notes for O42.023, 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.