| Full description | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester |
| Billable | Yes |
| Chapter | Chapter 15: Pregnancy, childbirth and the puerperium (O00-O9A) |
| Section | Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48) |
| Parent code | O30.09 — Twin pregnancy, unable to determine num plcnta & amnio sacs |