| Full description | Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimester, other fetus |
| 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 | O31.40 — Cont preg aft vanishing twin syn one fts or more, unsp tri |