651 Multiple gestation 
651.0 Twin pregnancy 
651.00 Twin pregnancy unspecified as to episode of care convert 651.00 to ICD-10-CM 651.01 Twin pregnancy delivered convert 651.01 to ICD-10-CM
651.03 Twin pregnancy antepartum condition or complication convert 651.03 to ICD-10-CM 651.1 Triplet pregnancy 651.10 Triplet pregnancy unspecified as to episode of care convert 651.10 to ICD-10-CM 651.11 Triplet pregnancy delivered convert 651.11 to ICD-10-CM 651.13 Triplet pregnancy antepartum condition or complication convert 651.13 to ICD-10-CM 651.2 Quadruplet pregnancy 651.20 Quadruplet pregnancy unspecified as to episode of care convert 651.20 to ICD-10-CM 651.21 Quadruplet pregnancy delivered convert 651.21 to ICD-10-CM 651.23 Quadruplet pregnancy antepartum condition or complication convert 651.23 to ICD-10-CM 651.3 Twin pregnancy with fetal loss and retention of one fetus 651.30 Twin pregnancy with fetal loss and retention of one fetus unspecified as to episode of care or not applicable convert 651.30 to ICD-10-CM 651.31 Twin pregnancy with fetal loss and retention of one fetus delivered with or without antepartum condition convert 651.31 to ICD-10-CM 651.33 Twin pregnancy with fetal loss and retention of one fetus antepartum condition or complication convert 651.33 to ICD-10-CM 651.4 Triplet pregnancy with fetal loss and retention of one or more fetus(es) 651.40 Triplet pregnancy with fetal loss and retention of one or more fetus(es) unspecified as to episode of care or not applicable convert 651.40 to ICD-10-CM 651.41 Triplet pregnancy with fetal loss and retention of one or more fetus(es) delivered with or without antepartum condition convert 651.41 to ICD-10-CM 651.43 Triplet pregnancy with fetal loss and retention of one or more fetus(es) antepartum condition or complication convert 651.43 to ICD-10-CM 651.5 Quadruplet pregnancy with fetal loss and retention of one or more fetus(es) 651.50 Quadruplet pregnancy with fetal loss and retention of one or more fetus(es) unspecified as to episode of care or not applicable convert 651.50 to ICD-10-CM 651.51 Quadruplet pregnancy with fetal loss and retention of one or more fetus(es) delivered with or without antepartum condition convert 651.51 to ICD-10-CM 651.53 Quadruplet pregnancy with fetal loss and retention of one or more fetus(es) antepartum condition or complication convert 651.53 to ICD-10-CM 651.6 Other multiple pregnancy with fetal loss and retention of one or more fetus(es) 651.60 Other multiple pregnancy with fetal loss and retention of one or more fetus(es) unspecified as to episode of care convert 651.60 to ICD-10-CM 651.61 Other multiple pregnancy with fetal loss and retention of one or more fetus(es) delivered with or without antepartum condition convert 651.61 to ICD-10-CM 651.63 Other multiple pregnancy with fetal loss and retention of one or more fetus(es) antepartum condition or complication convert 651.63 to ICD-10-CM 651.7 Multiple gestation following (elective) fetal reduction 651.70 Multiple gestation following (elective) fetal reduction, unspecified as to episode of care or not applicable convert 651.70 to ICD-10-CM 651.71 Multiple gestation following (elective) fetal reduction, delivered, with or without mention of antepartum condition convert 651.71 to ICD-10-CM 651.73 Multiple gestation following (elective) fetal reduction, antepartum condition or complication convert 651.73 to ICD-10-CM 651.8 Other specified multiple gestation 651.80 Other specified multiple gestation unspecified as to episode of care convert 651.80 to ICD-10-CM 651.81 Other specified multiple gestation delivered convert 651.81 to ICD-10-CM 651.83 Other specified multiple gestation antepartum condition or complication convert 651.83 to ICD-10-CM 651.9 Unspecified multiple gestation 
651.90 Unspecified multiple gestation unspecified as to episode of care convert 651.90 to ICD-10-CM 651.91 Unspecified multiple gestation delivered convert 651.91 to ICD-10-CM 651.93 Unspecified multiple gestation antepartum condition or complication convert 651.93 to ICD-10-CM