O13 is the ICD-10 code for Gestational [pregnancy-induced] hypertension. It is a three-character category that is not subdivided further. It belongs to the block O10–O16 (Oedema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium) in Chapter XV, Pregnancy, childbirth and the puerperium.
- Code type
- Category (3 characters)
- Chapter
- XV · O00–O99
- Classification
- WHO ICD-10, 2019 version
What O13 includes
Conditions and terms that are coded here.
- Gestational
- hypertension NOS
- Pregnancy-induced
- hypertension NOS
- Transient hypertension of pregnancy
O13 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
O13Svangerskapshypertensjon
DO13Graviditetsbetinget blodtryksforhøjelse uden proteiner i urinen
- DO139Graviditetsbetinget hypertension uden proteinuri
O13Raskauden aiheuttama korkea verenpaine ilman merkittävää valkuaisvirtsaisuutta
O13Gestationshypertonie [schwangerschaftsinduzierte Hypertonie]
O13Hypertension gestationnelle [liée à la grossesse]
O13zwangerschapshypertensie [door zwangerschap geïnduceerd]
Listed through more specific codes:
- O13.1Gestational [pregnancy-induced] hypertension without significant proteinuria, first trimester
- O13.2Gestational [pregnancy-induced] hypertension without significant proteinuria, second trimester
- O13.3Gestational [pregnancy-induced] hypertension without significant proteinuria, third trimester
- O13.4Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating childbirth
- O13.5Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating the puerperium
- O13.9Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified 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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