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 > 2006 ICD-9-CM Diagnosis 637 Unspecified abortion View the most recent version of ICD-9-CM 637 637 is a non-specific code that cannot be used to specify a diagnosis 637 Includes abortion NOS retained products of conception following abortion, not classifiable elsewhere