ICD-10 diagnosis code
O10 Pre-existing hypertension complicating pregnancy, childbirth and the puerperium
O10 is the ICD-10 code for Pre-existing hypertension complicating pregnancy, childbirth and the puerperium. It is a three-character category divided into 6 subcodes; use the subcode whenever the record supports that level of detail. 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 O10 includes
Conditions and terms that are coded here.
- the listed conditions with pre-existing proteinuria
What O10 excludes
Conditions that look similar but belong under another code.
- that with superimposed pre-eclampsia O11
Subcodes of O10
- O10.0Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium
- O10.1Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium
- O10.2Pre-existing hypertensive renal disease complicating pregnancy, childbirth and the puerperium
- O10.3Pre-existing hypertensive heart and renal disease complicating pregnancy, childbirth and the puerperium
- O10.4Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium
- O10.9Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium
O10 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
O10Tidigare konstaterad hypertoni som komplikation under graviditet, förlossning och barnsängstid
DO10Graviditet, fødsel og barselsperiode med forud bestående komplicerende blodtryksforhøjelse
O10Ennen raskautta alkanut korkea verenpaine raskauden, synnytyksen ja/tai lapsivuodeajan komplikaationa
O10Vorher bestehende Hypertonie, die Schwangerschaft, Geburt und Wochenbett kompliziert
O10Hypertension préexistante compliquant la grossesse, l'accouchement et la puerpéralité
O10reeds bestaande hypertensie als complicatie van zwangerschap,
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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