ICD-10-CM > O00-O9A > O20-O29 > O22 > O22.4 O22.4 Hemorrhoids in pregnancy Non-Billable/Non-Specific Codes O22.40Hemorrhoids in pregnancy, unspecified trimesterO22.41Hemorrhoids in pregnancy, first trimesterO22.42Hemorrhoids in pregnancy, second trimesterO22.43Hemorrhoids in pregnancy, third trimester