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ICD Hub / Pregnancy, childbirth or the puerperium (O00–O9A)
ICD11

Pregnancy, childbirth or the puerperium (O00–O9A)

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Pregnancy, childbirth or the puerperium is a chapter in ICD-11 that includes conditions related to maternal health during pregnancy, labor and delivery, and the postnatal period following childbirth. These conditions may involve physiological changes, complications of pregnancy or delivery, and disorders affecting the mother during the recovery phase after birth, with potential implications for both maternal and fetal outcomes.

This chapter encompasses a wide range of conditions such as pregnancy-related complications, maternal disorders affecting pregnancy, complications of labor and delivery, and conditions occurring during the puerperium. Accurate classification supports appropriate clinical care, risk assessment, and monitoring, while also contributing to maternal health research, surveillance, and strategies aimed at improving outcomes for mothers and infants.

Abortion JA00

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Spontaneous abortion JA00.0

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Spontaneous abortion, incomplete, complicated by genital tract or pelvic infection JA00.00

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Frequently asked questions

This chapter includes conditions and complications that occur during pregnancy, labour and delivery, and the puerperium (the period following childbirth, typically up to 6 weeks). It covers maternal health issues directly related to pregnancy rather than general medical conditions.

The puerperium refers to the postnatal period after childbirth, usually lasting around six weeks. ICD-11 includes conditions such as postpartum haemorrhage, infections, and other complications that arise specifically during this recovery phase.

Unlike other chapters, conditions in this chapter are defined by their relationship to pregnancy or childbirth, not just by the disease itself. For example, hypertension or diabetes may be coded here only when they are pregnancy-related or have specific obstetric significance.

Only conditions occurring during pregnancy, childbirth, or the puerperium are included in this chapter. Long-term or unrelated conditions that persist beyond the puerperium are usually coded in other ICD-11 chapters, unless explicitly defined as pregnancy-related.

No. This chapter focuses on maternal conditions. Conditions affecting the fetus or newborn are classified in separate ICD-11 chapters dedicated to perinatal and neonatal conditions.

Accurate coding ensures proper clinical documentation, supports patient safety, enables reliable reporting and research, and is essential for billing, audits, and population health monitoring related to maternal outcomes.

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