O20.0 is the ICD-10 code for Threatened abortion. It is a four-character subcategory of O20 (Haemorrhage in early 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 O20.0 includes
Conditions and terms that are coded here.
- Haemorrhage specified as due to threatened abortion
O20.0 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
O20.0Hotande missfall
O20.0Truende abort
DO200Truende abort
O20.0Uhkaava keskenmeno
O20.0Drohender Abort
O20.0Menace d'avortement
O20.0dreigende abortus
O20.0Threatened abortion
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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