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ICD-10-CM 2027

ICD-10 code for placental mother insufficiency

O36.51

Maternal care for known or suspected placental insufficiency

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Insufficiency, insufficient › placental (mother)”. Page updated September 29, 2026.

About coding placental mother insufficiency

The ICD-10-CM code for placental mother insufficiency is O36.51 (Maternal care for known or suspected placental insufficiency).

Within O36.5 (maternal care for known or suspected poor fetal growth), O36.51 is specifically for maternal care for known or suspected placental insufficiency. Related codes cover other known or suspected poor fetal growth (O36.59).

Codes in this range require a 7th character: 0 for not applicable or unspecified, 1 for fetus 1, 2 for fetus 2, 3 for fetus 3, 4 for fetus 4, 5 for fetus 5 and 1 more. Use placeholder "X" characters to fill any empty positions before the 7th character.

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 placental mother insufficiency ICD-10 codes

What is the ICD-10 code for placental mother insufficiency?

O36.51 — Maternal care for known or suspected placental insufficiency (a header code; report a more specific subcode).

Is O36.51 billable?

No. O36.51 is a header code. Report one of its more specific subcodes instead.