O24 is the ICD-10 code for Diabetes mellitus in pregnancy. 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 O20–O29 (Other maternal disorders predominantly related to pregnancy) in Chapter XV, Pregnancy, childbirth and the puerperium.
- Code type
- Category (3 characters)
- Chapter
- XV · O00–O99
- Classification
- WHO ICD-10, 2019 version
What O24 includes
Conditions and terms that are coded here.
- in childbirth and the puerperium
Coding notes
- Use additional code, if desired, to identify any current manifestations of diabetes mellitus.
Subcodes of O24
- O24.0Diabetes mellitus in pregnancy: Pre-existing diabetes mellitus, insulin-dependent
- O24.1Diabetes mellitus in pregnancy: Pre-existing diabetes mellitus, non-insulin-dependent
- O24.2Diabetes mellitus in pregnancy: Pre-existing malnutrition-related diabetes mellitus
- O24.3Diabetes mellitus in pregnancy: Pre-existing diabetes mellitus, unspecified
- O24.4Diabetes mellitus arising in pregnancy
- O24.9Diabetes mellitus in pregnancy, unspecified
O24 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DO24Diabetes under graviditet, fødsel og barsel
- DO245Nyopdaget manifest diabetes i graviditeten
O24Raskaudenaikainen diabetes
O24Diabetes mellitus in der Schwangerschaft
O24Diabète sucré au cours de la grossesse
O24diabetes mellitus tijdens zwangerschap
Listed through more specific codes:
- O24.82Other pre-existing diabetes mellitus in childbirth
- O24.83Other pre-existing diabetes mellitus in 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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