O00-O08

Pregnancy with Abortive Outcome

O09-O09

Supervision of High Risk Pregnancy

O10-O16

Edema, Proteinuria & Hypertensive Disorders

O20-O29

Other Maternal Disorders Related to Pregnancy

O30-O48

Maternal Care Related to Fetus & Possible Delivery Problems

O60-O77

Complications of Labor & Dellivery

O80-O82

Encounter for Delivery

O85-O92

Compications Related to Puerperium

O94-O9A

Other Obstetric Conditions-Not Elsewhere Classified