O26.1 is the ICD-10 code for Low weight gain in pregnancy. It is a four-character subcategory of O26 (Maternal care for other conditions predominantly related to pregnancy), the most specific level in the WHO edition. It belongs to the block O20–O29 (Other maternal disorders predominantly related to pregnancy) in Chapter XV, Pregnancy, childbirth and the puerperium.
- Code type
- Subcategory (4 characters)
- Chapter
- XV · O00–O99
- Classification
- WHO ICD-10, 2019 version
O26.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
O26.1Liten vektøkning under svangerskap
DO261For lille vægtøgning i graviditeten
O26.1Liian vähäinen painonlisäys raskauden aikana
O26.1Geringe Gewichtszunahme in der Schwangerschaft
O26.1Faible prise de poids au cours de la grossesse
O26.1geringe gewichtstoename tijdens zwangerschap
Listed through more specific codes:
- O26.10Low weight gain in pregnancy, unspecified trimester
- O26.11Low weight gain in pregnancy, first trimester
- O26.12Low weight gain in pregnancy, second trimester
- O26.13Low weight gain in pregnancy, third trimester
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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