- Codes Description
- O30.131
Triplet pregnancy, trichorionic/triamniotic, first trimester
- O30.132
Triplet pregnancy, trichorionic/triamniotic, second trimester
- O30.133
Triplet pregnancy, trichorionic/triamniotic, third trimester
- O30.139
Triplet pregnancy, trichorionic/triamniotic, unspecified trimester