ICD-10-CM > O00-O9A > O20-O29 > O20 O20 Hemorrhage in early pregnancy Non-Billable/Non-Specific Includes hemorrhage before completion of 20 weeks gestation Type 1 Excludes pregnancy with abortive outcome (O00-O08) Codes O20.0Threatened abortionO20.8Other hemorrhage in early pregnancyO20.9Hemorrhage in early pregnancy, unspecified