ICD-10-CM > O00-O9A > O85-O92 > O88 > O88.8 O88.8 Other obstetric embolism Non-Billable/Non-Specific Applicable To Obstetric fat embolism Codes O88.81Other embolism in pregnancyO88.811Other embolism in pregnancy, first trimesterO88.812Other embolism in pregnancy, second trimesterO88.813Other embolism in pregnancy, third trimesterO88.819Other embolism in pregnancy, unspecified trimesterO88.82Other embolism in childbirthO88.83Other embolism in the puerperium