O98: Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium includes the listed conditions when complicating the pregnant state, when aggravated by the pregnancy, or as a reason for obstetric care
useAdditionalCode code (Chapter 1), to identify specific infectious or parasitic disease
excludes2 herpes gestationis (O26.4-) infectious carrier state (O99.82-, O99.83-) obstetrical tetanus (A34) puerperal infection (O86.-) puerperal sepsis (O85) when the reason for maternal care is that the disease is known or suspected to have affected the fetus (O35-O36)
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