2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Complications Of Pregnancy, Childbirth, And The Puerperium 630-677 > Ectopic And Molar Pregnancy And Other Pregnancy With Abortive Outcome 630-639 > Ectopic Pregnancy 633.* > 2006 ICD-9-CM Diagnosis 633.9 Unspecified ectopic pregnancy View the most recent version of ICD-9-CM 633.9 A potentially life-threatening condition in which the embryo implants outside the uterine endometrial cavity. Most ectopic pregnancies (>96%) occur in the fallopian tube (PREGNANCY, TUBAL), but they can be in the uterine cornua, cervix, ovary, and abdominal cavity (PREGNANCY, ABDOMINAL). 633.9 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 633.* hierarchy