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ICD-10-CM 2027

ICD-10 code for accreta placenta

O43.21

Placenta accreta

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Accreta placenta”. Page updated September 29, 2026.

About coding accreta placenta

The ICD-10-CM code for accreta placenta is O43.21 (Placenta accreta).

Within O43.2 (Morbidly adherent placenta), O43.21 is specifically for placenta accreta. Related codes cover increta (O43.22) and percreta (O43.23).

To report this condition, pick the subcode that matches the documentation: O43.211 (first trimester), O43.212 (second trimester), O43.213 (third trimester) and O43.219 (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.

Common questions about accreta placenta ICD-10 codes

What is the ICD-10 code for accreta placenta?

O43.21 — Placenta accreta (a header code; report a more specific subcode).

Is O43.21 billable?

No. O43.21 is a header code. Report one of its more specific subcodes instead.