V91.01
Twin gestation, monochorionic/monoamniotic (one placenta, one amniotic sac)
The ICD-9 code for twin gestation, monochorionic/monoamniotic (one placenta, one amniotic sac) is V91.01.
Legacy code — retired October 1, 2015ICD-10-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents.
View ICD-9 → ICD-10 crosswalk for V91.01 →