ICD-10 diagnosis code

O42.1 Premature rupture of membranes, onset of labour after 24 hours

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O42.1 is the ICD-10 code for Premature rupture of membranes, onset of labour after 24 hours. It is a four-character subcategory of O42 (Premature rupture of membranes), the most specific level in the WHO edition. It belongs to the block O30–O48 (Maternal care related to the fetus and amniotic cavity and possible delivery problems) in Chapter XV, Pregnancy, childbirth and the puerperium.

Code type
Subcategory (4 characters)
Chapter
XV · O00–O99
Classification
WHO ICD-10, 2019 version

What O42.1 excludes

Conditions that look similar but belong under another code.

  • with labour delayed by therapy O42.2

O42.1 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

NorwayICD-10-NO

O42.1For tidlig vannavgang med start av fødsel etter 24 timer

FinlandICD-10-FI

O42.1Ennenaikainen sikiökalvojen repeytyminen, supistustoiminta alkaa enemmän kuin 24 tunnin kuluttua

GermanyICD-10-GM

O42.1Vorzeitiger Blasensprung, Wehenbeginn nach Ablauf von 24 Stunden

  • O42.11Vorzeitiger Blasensprung, Wehenbeginn nach Ablauf von 1 bis 7 Tagen
  • O42.12Vorzeitiger Blasensprung, Wehenbeginn nach Ablauf von mehr als 7 Tagen
FranceICD-10-FR

O42.1Rupture prématurée des membranes, avec début du travail au-delà de 24 heures

NetherlandsICD-10-NL

O42.1voortijdig breken van vliezen met begin van weeën meer dan 24 uur later

United StatesICD-10-CM

Listed through more specific codes:

  • O42.10Premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified weeks of gestation
  • O42.12Full-term premature rupture of membranes, onset of labor more than 24 hours following rupture

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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