O33 is the ICD-10 code for Maternal care for known or suspected disproportion. It is a three-character category divided into 10 subcodes; use the subcode whenever the record supports that level of detail. 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
- Category (3 characters)
- Chapter
- XV · O00–O99
- Classification
- WHO ICD-10, 2019 version
What O33 includes
Conditions and terms that are coded here.
- the listed conditions as a reason for observation, hospitalization or other obstetric care of the mother, or for caesarean section before onset of labour
What O33 excludes
Conditions that look similar but belong under another code.
- the listed conditions with obstructed labour O65-O66
Subcodes of O33
- O33.0Maternal care for disproportion due to deformity of maternal pelvic bones
- O33.1Maternal care for disproportion due to generally contracted pelvis
- O33.2Maternal care for disproportion due to inlet contraction of pelvis
- O33.3Maternal care for disproportion due to outlet contraction of pelvis
- O33.4Maternal care for disproportion of mixed maternal and fetal origin
- O33.5Maternal care for disproportion due to unusually large fetus
- O33.6Maternal care for disproportion due to hydrocephalic fetus
- O33.7Maternal care for disproportion due to other fetal deformities
- O33.8Maternal care for disproportion of other origin
- O33.9Maternal care for disproportion, unspecified
O33 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DO33Graviditet med erkendt eller mistænkt mekanisk misforhold
O33Äidin hoito raskauden aikana tiedetyn tai epäillyn sikiön ja lantion välisen epäsuhdan vuoksi
O33Betreuung der Mutter bei festgestelltem oder vermutetem Missverhältnis zwischen Fetus und Becken
O33Soins maternels pour disproportion fœto-pelvienne connue ou présumée
O33indicaties voor zorg bij moeder wegens bekende of vermoede
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.
Look up another code
Stop looking codes up by hand
Docdemic listens to the consultation, writes the note and suggests the diagnosis and procedure codes that fit it, each one checked against your country’s official code list.
Try Docdemic free