2006 ICD-9-CM Volume 1 Diagnosis Codes > Complications Of Pregnancy, Childbirth, And The Puerperium 630-677 > Ectopic And Molar Pregnancy And Other Pregnancy With Abortive Outcome 630-639 > 636 Illegal abortion 637 Unspecified abortion 638 Failed attempted abortion 639 Complications following abortion and ectopic and molar pregnancies 630 Hydatidiform mole 631 Other abnormal product of conception 632 Missed abortion 633 Ectopic pregnancy 634 Spontaneous abortion 635 Legally induced abortion