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ICD-10 diagnosis code

O10.4 Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium

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O10.4 is the ICD-10 code for Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium. It is a four-character subcategory of O10 (Pre-existing hypertension complicating pregnancy, childbirth and the puerperium), the most specific level in the WHO edition. 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
Subcategory (4 characters)
Chapter
XV · O00–O99
Classification
WHO ICD-10, 2019 version

What O10.4 includes

Conditions and terms that are coded here.

  • Any condition in I15.- specified as a reason for obstetric care during pregnancy, childbirth or the puerperium

O10.4 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

O10.4Sekundär hypertoni, som funnits före graviditeten, som komplikation under graviditet, förlossning och barnsängstid

NorwayICD-10-NO

O10.4Foruteksisterende sekundær hypertensjon som kompliserer svangerskap, fødsel eller barseltid

DenmarkICD-10-DK

DO104Graviditet, fødsel eller barselsperiode med forud bestående komplicerende sekundær hypertension

FinlandICD-10-FI

O10.4Ennen raskautta alkanut sekundaarinen korkea verenpaine raskauden, synnytyksen ja/tai lapsivuoteuden komplikaationa

GermanyICD-10-GM

O10.4Vorher bestehende sekundäre Hypertonie, die Schwangerschaft, Geburt und Wochenbett kompliziert

FranceICD-10-FR

O10.4Hypertension secondaire préexistante compliquant la grossesse, l'accouchement et

NetherlandsICD-10-NL

O10.4reeds bestaande secundaire-hypertensie als complicatie van zwangerschap,

United StatesICD-10-CM

Listed through more specific codes:

  • O10.42Pre-existing secondary hypertension complicating childbirth
  • O10.43Pre-existing secondary hypertension complicating the puerperium

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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