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ICD-10-CM 2027

ICD-10 code for placenta infarct

O43.81

Placental infarction

Header — needs a more specific code

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

About coding placenta infarct

The ICD-10-CM code for placenta infarct is O43.81 (Placental infarction).

Within O43.8 (other placental disorders), O43.81 is specifically for placental infarction. Related codes cover other placental disorders (O43.89).

To report this condition, pick the subcode that matches the documentation: O43.811 (first trimester), O43.812 (second trimester), O43.813 (third trimester) and O43.819 (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 placenta infarct ICD-10 codes

What is the ICD-10 code for placenta infarct?

O43.81 — Placental infarction (a header code; report a more specific subcode).

Is O43.81 billable?

No. O43.81 is a header code. Report one of its more specific subcodes instead.