- A gestation with more than one fertilized egg implanted as a viable fetus in the uterus.
- A pregnancy involving twins or higher-order multiple fetuses (e.g., triplets, quadruplets).
- The condition of carrying twins simultaneously.
- The condition of carrying two or more fetuses simultaneously.
651 Multiple gestation 
651.0 Twin pregnancy 
651.00 Twin pregnancy, unspecified as to episode of care or not applicable convert 651.00 to ICD-10-CM- 651.01 Twin pregnancy, delivered, with or without mention of antepartum condition 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 or not applicable convert 651.10 to ICD-10-CM
- 651.11 Triplet pregnancy, delivered, with or without mention of antepartum condition 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 or not applicable convert 651.20 to ICD-10-CM
- 651.21 Quadruplet pregnancy, delivered, with or without mention of antepartum condition 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 mention of 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 mention of 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 mention of 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 or not applicable 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 mention of 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 or not applicable convert 651.80 to ICD-10-CM
- 651.81 Other specified multiple gestation, delivered, with or without mention of antepartum condition 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 or not applicable convert 651.90 to ICD-10-CM- 651.91 Unspecified multiple gestation, delivered, with or without mention of antepartum condition convert 651.91 to ICD-10-CM
- 651.93 Unspecified multiple gestation, antepartum condition or complication convert 651.93 to ICD-10-CM
