O26.0 is the ICD-10 code for Excessive 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
What O26.0 excludes
Conditions that look similar but belong under another code.
O26.0 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
O26.0Ekstrem vektøkning under svangerskap
DO260Overdreven vægtøgning i graviditeten
O26.0Liiallinen painonlisäys raskauden aikana
O26.0Übermäßige Gewichtszunahme in der Schwangerschaft
O26.0Prise de poids excessive au cours de la grossesse
O26.0excessieve gewichtstoename tijdens zwangerschap
Listed through more specific codes:
- O26.00Excessive weight gain in pregnancy, unspecified trimester
- O26.01Excessive weight gain in pregnancy, first trimester
- O26.02Excessive weight gain in pregnancy, second trimester
- O26.03Excessive 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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