O00.9Non-Billable (Header)Ectopic pregnancy, unspecifiedChild CodesO00.90Unspecified ectopic pregnancy without intrauterine pregnancyO00.91Unspecified ectopic pregnancy with intrauterine pregnancyCode Hierarchy└O00Ectopic pregnancy└O00.9Ectopic pregnancy, unspecified└O00.9Ectopic pregnancy, unspecified