O26.9 Pregnancy related conditions, unspecifiedNon-billable header with 4 child codes.
O26.90 Pregnancy related conditions, unspecified, unspecified trimesterO26.91 Pregnancy related conditions, unspecified, first trimesterO26.92 Pregnancy related conditions, unspecified, second trimesterO26.93 Pregnancy related conditions, unspecified, third trimesterZ03.7 Encounter for suspected maternal and fetal conditions ruled out ("known or suspected fetal anomalies affecting management of mother, not ruled out (O26.-, O35.-, O36.-, O40.-, O41.-)")O26.89 Other specified pregnancy related conditionsO26.891 Other specified pregnancy related conditions, first trimesterO26.892 Other specified pregnancy related conditions, second trimesterO26.893 Other specified pregnancy related conditions, third trimesterO26.899 Other specified pregnancy related conditions, unspecified trimesterO26.9 Pregnancy related conditions, unspecified (this code)O26.90 Pregnancy related conditions, unspecified, unspecified trimesterO26.91 Pregnancy related conditions, unspecified, first trimesterO26.92 Pregnancy related conditions, unspecified, second trimesterO26.93 Pregnancy related conditions, unspecified, third trimester