ICD-10-CM > O00-O9A > O94-O9A > O98 > O98.6 O98.6 Protozoal diseases complicating pregnancy, childbirth and the puerperium Non-Billable/Non-Specific Applicable To Conditions in B50-B64 Codes O98.61Protozoal diseases complicating pregnancyO98.611Protozoal diseases complicating pregnancy, first trimesterO98.612Protozoal diseases complicating pregnancy, second trimesterO98.613Protozoal diseases complicating pregnancy, third trimesterO98.619Protozoal diseases complicating pregnancy, unspecified trimesterO98.62Protozoal diseases complicating childbirthO98.63Protozoal diseases complicating the puerperium