ICD-10-CM 2027 diagnosis code

O43.02Fetus-to-fetus placental transfusion syndrome

Not billable — use a more specific code

O43.02 is a header code, so it can't be reported by itself. Choose one of the 4 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About O43.02

O43.02 is the ICD-10-CM diagnosis code for Fetus-to-fetus placental transfusion syndrome. It belongs to category O43 (placental disorders), block O30-O48 (maternal care related to the fetus and amniotic cavity and possible delivery problems) and chapter 15 (pregnancy, childbirth and the puerperium). It is a header code, so it can't be reported by itself; one of its 4 subcodes must be used instead.

Within O43.0 (placental transfusion syndromes), O43.02 is specifically for Fetus-to-fetus placental transfusion syndrome. Related codes cover Fetomaternal placental transfusion syndrome (O43.01).

To report this condition, pick the subcode that matches the documentation: O43.021 (first trimester), O43.022 (second trimester), O43.023 (third trimester) and O43.029 (unspecified trimester).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under O43.02

Notes that apply from higher levels

Instructions written at a parent level also apply to O43.02.

› From O43 Placental disorders

Excludes2

maternal care for poor fetal growth due to placental insufficiency (O36.5-)
placenta previa (O44.-)
placental polyp (O90.89)
placentitis (O41.14-)
premature separation of placenta [abruptio placentae] (O45.-)

Broader instructions also apply from Chapter 15: Pregnancy, childbirth and the puerperium.

Alphabetic index entries

1 entries

Terms in the official ICD-10-CM index that lead to O43.02.

Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › placental transfusion syndromes › fetus to fetus

Code history

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2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about O43.02

Is O43.02 billable?: No. O43.02 is a header code. Report one of its more specific subcodes instead.