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ICD-10-CM 2027

ICD-10 code for Concealed pregnancy

O09.3

Supervision of pregnancy with insufficient antenatal care

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Pregnancy (single) (uterine) › concealed”. Page updated September 29, 2026.

About coding Concealed pregnancy

The ICD-10-CM code for Concealed pregnancy is O09.3 (Supervision of pregnancy with insufficient antenatal care).

Within O09 (supervision of high risk pregnancy), O09.3 is specifically for supervision of pregnancy with insufficient antenatal care. Related codes cover pregnancy with history of infertility (O09.0), pregnancy with history of ectopic pregnancy (O09.1), pregnancy with other poor reproductive or obstetric history (O09.2), pregnancy with grand multiparity (O09.4), elderly primigravida and multigravida (O09.5), young primigravida and multigravida (O09.6), due to social problems (O09.7), other high risk pregnancies (O09.8) and 2 more.

To report this condition, pick the subcode that matches the documentation: O09.30 (unspecified trimester), O09.31 (first trimester), O09.32 (second trimester) and O09.33 (third 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 Concealed pregnancy ICD-10 codes

What is the ICD-10 code for Concealed pregnancy?

O09.3 — Supervision of pregnancy with insufficient antenatal care (a header code; report a more specific subcode).

Is O09.3 billable?

No. O09.3 is a header code. Report one of its more specific subcodes instead.