ICD-10-CM > O00-O9A > O20-O29 > O22 > O22.8 > O22.8X O22.8X Other venous complications in pregnancy Non-Billable/Non-Specific Codes O22.8X1Other 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