ICD-10-CM > O00-O9A > O20-O29 > O22 > O22.8 O22.8 Other venous complications in pregnancy Non-Billable/Non-Specific Codes O22.8XOther venous complications in pregnancyO22.8X1Other venous complications in pregnancy, first trimesterO22.8X2Other venous complications in pregnancy, second trimesterO22.8X3Other venous complications in pregnancy, third trimesterO22.8X9Other venous complications in pregnancy, unspecified trimester