ICD-10 diagnosis code

O43 Placental disorders

O43 is the ICD-10 code for Placental disorders. It is a three-character category divided into 5 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block O30–O48 (Maternal care related to the fetus and amniotic cavity and possible delivery problems) in Chapter XV, Pregnancy, childbirth and the puerperium.

Code type: Category (3 characters)
Chapter: XV · O00–O99
Classification: WHO ICD-10, 2019 version

What O43 excludes

Conditions that look similar but belong under another code.

maternal care for poor fetal growth due to placental insufficiency O36.5
placenta praevia O44.-
premature separation of placenta [abruptio placentae] O45.-

Subcodes of O43

O43 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

O43Onormala tillstånd i moderkakan

DenmarkICD-10-DK

DO43Sygdomme i moderkagen

FinlandICD-10-FI

O43Istukan sairaudet

GermanyICD-10-GM

O43Pathologische Zustände der Plazenta

FranceICD-10-FR

O43Anomalies du placenta

NetherlandsICD-10-NL

O43aandoeningen van placenta

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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